OpenTechnical

OT-2026-000089497

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold 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-2026-000089497) never changes.

Identity and time

Publication numberOT-2026-000089497 · never reused
Internal UUID01a0ae9b-db02-7e95-9751-b70732547fac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089497
StatusPUBLIC

Content hashes

Canonical texte6c46b1494fb6827151451f3f2a11d519dbd414425d46906f154295c14151580
Markdown328d776d57c254c3ea8915855150e586daa2f13f41ecac4cd7192112243e7a5c
PDF
Publication page2c41af65df2b62df74694f21fb9d59780a7146c2ec59652e59ee8c272224ae50
Manifest57dd97da4ce7b1171d3a7e43c385947d5a05f60d944ed5f4362afa5e2fd1b75a

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
SignaturenG0SDi1o2UrHFXgaElqq5qQCP46ICmKiw1PfDUM4SEfs3pgmpxy3vFBygSVKProaV6jkE4RuWRppC0Om3jFUCw==
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

2026-09-17T09:47:39.025948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089497
observed 2c41af65df2b62df74694f21fb9d5978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.008621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089497/manifest.json
observed 57dd97da4ce7b1171d3a7e43c385947d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:38.993233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089497/publication.md
observed 328d776d57c254c3ea8915855150e586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:38.976936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089497/publication.txt
observed e6c46b1494fb6827151451f3f2a11d51...
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.