OpenTechnical

OT-2026-000063350

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented after 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-2026-000063350) never changes.

Identity and time

Publication numberOT-2026-000063350 · never reused
Internal UUID01a0ae8c-f943-77ad-a3e3-aea88dc92be7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063350
StatusPUBLIC

Content hashes

Canonical textedb67e4fb4ee5803dcb40a71f32e1a91eb1652029802a21e832d94d865614514
Markdownb5e52edce9d94760cb235b93a2e7dcbae017b08ca6fe34818ab405b1b92aa994
PDF
Publication page5bd3418f50f1acfca73d95757ce56f8e1ec633a9426651df2755bb0f131d9447
Manifest745d92e82f2e42d0cee9d534dc6d1f8a4eebbbf566c9d7a4694738865134e119

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
SignaturecoKQ0x+Nke6bIz2fECGxH7FLyK6ctOxn18Y2xsRo6loXKgov165YjYYSnkBJistYW4/tun1ALayZvrMdR5eVCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:15.022219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063350
observed 5bd3418f50f1acfca73d95757ce56f8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:15.005433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063350/manifest.json
observed 745d92e82f2e42d0cee9d534dc6d1f8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:14.985922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063350/publication.md
observed b5e52edce9d94760cb235b93a2e7dcba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:14.966977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063350/publication.txt
observed edb67e4fb4ee5803dcb40a71f32e1a91...
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.