OpenTechnical

OT-2026-000070029

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000070029) never changes.

Identity and time

Publication numberOT-2026-000070029 · never reused
Internal UUID01a0ae91-1861-793a-98b5-15c44d8d3f44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070029
StatusPUBLIC

Content hashes

Canonical text69388af198136486a9af881f8fb0859972c159dfcaabf10544c67d17a7f57d28
Markdown1b1fa5d344ba30854bea69781c0176c24687c9e6dc49a680df3f07640a571baf
PDF
Publication page9032ac9122e7e57542a295d9fba0527ad37864c524b46834d5454693a5827090
Manifestfae40363b2738cb44bca80b9ba29694ff2a3286bdfc88b552227178832bcd02a

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
Signatureh7PjjZAZz0LBgjK3ZX5UAF8apvl5eX6PvvzzQc9hbBzceaFbGteFWoUJWXM1nkumi3u/KbFDlreeN3DnITaMCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:58.909918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070029
observed 9032ac9122e7e57542a295d9fba0527a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.892999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070029/manifest.json
observed fae40363b2738cb44bca80b9ba29694f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.875082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070029/publication.md
observed 1b1fa5d344ba30854bea69781c0176c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.856541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070029/publication.txt
observed 69388af198136486a9af881f8fb08599...
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.