OpenTechnical

OT-2026-000033987

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000033987) never changes.

Identity and time

Publication numberOT-2026-000033987 · never reused
Internal UUID01a0ae75-df0b-7c9a-a40f-ea58e46aa38f · 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-2026-000033987
StatusPUBLIC

Content hashes

Canonical text1067c5218cf3915ec85be86da2bfd182d04a2782630d8f1ddd0304b4bf1139d9
Markdown1781dcac148072b5ce3a04bda2f8eb10d6666adbc1b01e482913b5332accc5bd
PDF
Publication pagea5bcda90b77671a3dd48eef1551038ccb97f69c44bdffce9a56c6517fc398759
Manifest555bff5ac1cfffa6bb0b4f80f8a0a6f6330f4e66b35f4cb3e2b5a29157a972fc

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
SignaturevJKIavcr3UnUQOVttInD/9CHwqST3cMDRa1hY1+cHirSfCHLD2dWs5OKBksalusdQTLhHfYsKyYLKnb7I+D6Bw==
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

2026-09-17T11:30:07.565264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033987
observed a5bcda90b77671a3dd48eef1551038cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.547055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033987/manifest.json
observed 555bff5ac1cfffa6bb0b4f80f8a0a6f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.525569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033987/publication.md
observed 1781dcac148072b5ce3a04bda2f8eb10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.501701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033987/publication.txt
observed 1067c5218cf3915ec85be86da2bfd182...
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.