OpenTechnical

OT-2026-000057162

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057162) never changes.

Identity and time

Publication numberOT-2026-000057162 · never reused
Internal UUID01a0ae87-d5ba-7934-8479-6c08b9469764 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057162
StatusPUBLIC

Content hashes

Canonical text64157af9957ba72d1905c9cd9e392de43e91f92af758029e90c3ef1e2048a44c
Markdown7d436c6341b851ae6223a30c9c6cf6893e8373be993f86c6be57f7b6397ab2ef
PDF
Publication page2a5c4552d5da84ba4427d91b0031e12531a7e390630dd437600095ba19330eb2
Manifest6989cdc2caa6b8f985b6effee0b22959e1cde46903075eabdb2ba264d516997f

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature8rV7SAfm8ToYTVXEL+uHR897k7sHrwYyFRssDy/l8azMlSd9mNYpFmxkPhJFJLqx91+lXDsVmNNjtwS0fhh9Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:10.378436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057162
observed 2a5c4552d5da84ba4427d91b0031e125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.357856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057162/manifest.json
observed 6989cdc2caa6b8f985b6effee0b22959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.340120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057162/publication.md
observed 7d436c6341b851ae6223a30c9c6cf689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.321870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057162/publication.txt
observed 64157af9957ba72d1905c9cd9e392de4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:17.684129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057162
observed 2a5c4552d5da84ba4427d91b0031e125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:17.667519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057162/manifest.json
observed 6989cdc2caa6b8f985b6effee0b22959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:17.649168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057162/publication.md
observed 7d436c6341b851ae6223a30c9c6cf689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:17.630658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057162/publication.txt
observed 64157af9957ba72d1905c9cd9e392de4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.