OpenTechnical

OT-2026-000039919

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000039919) never changes.

Identity and time

Publication numberOT-2026-000039919 · never reused
Internal UUID01a0ae78-d8d6-7099-9edd-3925665ce2ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039919
StatusPUBLIC

Content hashes

Canonical text016aad9d17a7db647165d979a1f362ded571f7854c8ef51b874b757787a5b62a
Markdowncae355cdd57d77a76dd77027ee3436bf9f6bc6f567310cee17249a9434f1af67
PDF
Publication page3c8699f291c67190ceedf386ed134bc6b3f984052e7810934c2cc5674dc41bd6
Manifest969899b984934ddee8c50751876b8525744d7c3f281414cd4c9d08903cc694e1

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
SignatureZzufPkaGTMOpcHi44lOOPT9QQejzDBVNinuEwC5kaTn24HmwC35llGGugu4aMxthFU1uXfa4DsTq0P1ugzH2BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:20:12.963329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039919
observed 3c8699f291c67190ceedf386ed134bc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.945612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039919/manifest.json
observed 969899b984934ddee8c50751876b8525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.926927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039919/publication.md
observed cae355cdd57d77a76dd77027ee3436bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.909589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039919/publication.txt
observed 016aad9d17a7db647165d979a1f362de...
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.