OpenTechnical

OT-2026-000056706

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000056706) never changes.

Identity and time

Publication numberOT-2026-000056706 · never reused
Internal UUID01a0ae87-7af6-7984-845e-4937b8b6ea18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056706
StatusPUBLIC

Content hashes

Canonical text07a86f489fb71961f04270861573d8d45fd60b31c74266a5f4ae6c30ba2d1c3f
Markdownf8a16fdfaa48b6417a91496ca7f7b3139c6cc22a69749e3b86ce62b024a122ba
PDF
Publication page4b2b9dddf391dd054df4d09fc258f8f131c797287e8d84c6381973872a04f94d
Manifest0409f1e042a4905a6eba0ccd020b4af86ef40cda6a14f1b99924f7075ce7489a

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
SignatureBV3MeFD3f+s57kP+BeX8YqnfDlwgExBIHwmjPjd2MXG7UrnkRbb8cc/6c4JGU4HU69tbThyfXavHI5UeaoVmDw==
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

2026-09-17T10:50:06.901611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056706
observed 4b2b9dddf391dd054df4d09fc258f8f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.881806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056706/manifest.json
observed 0409f1e042a4905a6eba0ccd020b4af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.865269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056706/publication.md
observed f8a16fdfaa48b6417a91496ca7f7b313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.847942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056706/publication.txt
observed 07a86f489fb71961f04270861573d8d4...
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.