OpenTechnical

OT-2026-000086990

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, sustained blow-off 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-2026-000086990) never changes.

Identity and time

Publication numberOT-2026-000086990 · never reused
Internal UUID01a0ae9a-80a5-7de2-b8bb-dd391bec38f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086990
StatusPUBLIC

Content hashes

Canonical text2de22d79ef4ad10ac6227a88f931b127e4d5e301c33677a785277df16087987b
Markdownd9764db2a0041d7b075e3183242bfef1f758288ec6f8fa8b3c3bd1f0d587b2a0
PDF
Publication page06b62d56114ddba4c1d2c520a29f62d80384b1df57eef2ff0eb96d1aa1999a9b
Manifest2af60811a09b9c0ad5ef80d8981ee15c949ef8d89784c095f34e18ab5a5a4c37

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
Signature1xc+1rN63gzXj1diqy4k1OEOcqfvelI9ICCerJVcTBeK+asgW2z7MkDMqSfKf2a1PO2t9mPGNVHyZF1kYf3vBw==
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

2026-09-17T09:51:53.519202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086990
observed 06b62d56114ddba4c1d2c520a29f62d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.501678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086990/manifest.json
observed 2af60811a09b9c0ad5ef80d8981ee15c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.482837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086990/publication.md
observed d9764db2a0041d7b075e3183242bfef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.463787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086990/publication.txt
observed 2de22d79ef4ad10ac6227a88f931b127...
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.