OpenTechnical

OT-2026-000080216

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000080216) never changes.

Identity and time

Publication numberOT-2026-000080216 · never reused
Internal UUID01a0ae96-7e76-7049-b733-f83b291e77a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080216
StatusPUBLIC

Content hashes

Canonical texte75fc2da322eb52201f072d18f8b24e063a14a0293149a3851be1b0e0cd3156c
Markdownb4bff158db916ad07f724f3fc26a11b27efc922eb9fae00591665fb17be804a1
PDF
Publication pageaeb3f2cd45f56c6ad6970706851360b34f62bf6aa4662263b9ddd0b7e96d5b40
Manifest7a6b79176c34e2e2e3f3e3253060886a1f746d5a5f0569f39d08c04025d6a892

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
SignatureEaFaHfwncKfkVdB2JF6AW9zOyxny6lzd4Kd8U022AsvCCO0J0oMqcwN4qMh529dYl/5x1k3rgO/b2ds7gWsFDg==
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

2026-09-17T10:02:40.060200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080216
observed aeb3f2cd45f56c6ad6970706851360b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:40.042711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080216/manifest.json
observed 7a6b79176c34e2e2e3f3e3253060886a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:40.021238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080216/publication.md
observed b4bff158db916ad07f724f3fc26a11b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:40.002383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080216/publication.txt
observed e75fc2da322eb52201f072d18f8b24e0...
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.