OpenTechnical

OT-2026-000053918

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000053918) never changes.

Identity and time

Publication numberOT-2026-000053918 · never reused
Internal UUID01a0ae85-b3a6-721e-b3b4-92ef18eba0a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053918
StatusPUBLIC

Content hashes

Canonical text2f8d67a6b8f3a6ff17cf40d259a9f0f5ccd96e43da682f59fe1f50918c9b1fed
Markdownff2e2c1740d80c42d1112498f7bf4e9d68534551dd54affd3e5f4f44c70bc9df
PDF
Publication page23bebd44f25ae3d0f982af49456b980c97f264c20911b6479b96ed1b976e25bd
Manifesta7d17f6040e136e9fcf7f4fcaead0a3ff2f1c0eb78ba982d8c89e7a8e74f9705

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
Signature+nKKwzMNOk6aWojqzE0w0JtbXPMGBgv/SjzTAJP7ykEuTv8arvchcEOhgqdB8GSsrqxGmojMxaFby7C13O2jBg==
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

2026-09-17T10:54:09.448779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053918
observed 23bebd44f25ae3d0f982af49456b980c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.431501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053918/manifest.json
observed a7d17f6040e136e9fcf7f4fcaead0a3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.414652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053918/publication.md
observed ff2e2c1740d80c42d1112498f7bf4e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.396653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053918/publication.txt
observed 2f8d67a6b8f3a6ff17cf40d259a9f0f5...
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.