OpenTechnical

OT-2026-000034107

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000034107) never changes.

Identity and time

Publication numberOT-2026-000034107 · never reused
Internal UUID01a0ae75-df0c-77e9-8aea-4792142a3dbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034107
StatusPUBLIC

Content hashes

Canonical textd786f6d5d1281fa426aceec9d58ddb4e706989d5a7a23f2c0705ec7b3b896bce
Markdownad4fd64ed6b1fcd658128137d92ccf2029fca4b47b95e22650b07d0e27aed537
PDF
Publication page7df5338b4e10168fdfe4c475a67c3fb8d49bb98430c571fdd64b7a8a55c9fd4c
Manifest366b8f06f9001cf291e81ac8de72a5eee9d034e56e907d8da70b3194e82192f7

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
SignatureaPOcza18KTIP3U9+HtVE4M1UyhfnZhLD5U6A6e90KcwKtzaDpRzFMdHRu9x6AJjnutbsLnCq2kVkoXpTeZgJCA==
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

2026-09-17T11:30:29.424016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034107
observed 7df5338b4e10168fdfe4c475a67c3fb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.403735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034107/manifest.json
observed 366b8f06f9001cf291e81ac8de72a5ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.385901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034107/publication.md
observed ad4fd64ed6b1fcd658128137d92ccf20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.368623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034107/publication.txt
observed d786f6d5d1281fa426aceec9d58ddb4e...
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.