OpenTechnical

OT-2026-000022764

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000022764) never changes.

Identity and time

Publication numberOT-2026-000022764 · never reused
Internal UUID01a0ae70-46ea-7286-99b3-bfb251ffe2a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022764
StatusPUBLIC

Content hashes

Canonical textd7e5afa76221776cdf5d5c58b110a2be7db4ee0d1611aea63476fd60c50ad583
Markdown1148f7ab8b069b703b2da24b2588f6a5c16b212c7473eec7cc7b5c62bc5636b2
PDF
Publication page880ad84d831c18ff144fc7532b2b3e8e7451e3b60a4bbd39e07ebec19a8943fb
Manifestee65fc71050c75a79f4b55342486252810dca79568e549d7f15f6d7d323b6e71

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
SignatureZwejDUPWGqrIe4BS7COFv6zJUBPdn0V6WT4DDRng3qMIzM0eHUoDDcdr3yZZXE5QQ674FMzKKwfANhk+dRKLDw==
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

2026-09-17T11:52:16.651424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022764
observed 880ad84d831c18ff144fc7532b2b3e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:16.632989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022764/manifest.json
observed ee65fc71050c75a79f4b553424862528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:16.612681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022764/publication.md
observed 1148f7ab8b069b703b2da24b2588f6a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:16.595113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022764/publication.txt
observed d7e5afa76221776cdf5d5c58b110a2be...
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.