OpenTechnical

OT-2026-000032944

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000032944) never changes.

Identity and time

Publication numberOT-2026-000032944 · never reused
Internal UUID01a0ae75-4842-71de-ba5e-71725bfd3871 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032944
StatusPUBLIC

Content hashes

Canonical text4644a69ab096c545de3fbc4c3fd5158c5bc554f5aa91c86fb95905e53986fcfe
Markdownd0662e4bb078a72da1f9cb1213147dd33deb596c8a360d2a8a2cd59c7f6426b8
PDF
Publication pageb231b951b4f97f0cab0ce7e24ab24c30315602117dcb70ca5ed028d555ee8144
Manifest7b934973fd966ee69bae42bf1a2e9867cfb8bb800e0fa95ee4daa18f1d1d9aaa

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
SignatureXQY5SPb/E+tMKsO9FVM3tsWX1sHJY0QeaGO4PPP1DyJoQcn/HyhOqWkE7QT4k35nZh8D8VpV7JBZsXGLP24DAQ==
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

2026-09-17T11:32:32.736370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032944
observed b231b951b4f97f0cab0ce7e24ab24c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.717686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032944/manifest.json
observed 7b934973fd966ee69bae42bf1a2e9867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.698868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032944/publication.md
observed d0662e4bb078a72da1f9cb1213147dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.679107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032944/publication.txt
observed 4644a69ab096c545de3fbc4c3fd5158c...
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.