OpenTechnical

OT-2026-000080218

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-2026-000080218) never changes.

Identity and time

Publication numberOT-2026-000080218 · never reused
Internal UUID01a0ae96-7e76-753f-8701-fee5b38edeb0 · 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-2026-000080218
StatusPUBLIC

Content hashes

Canonical text74a58e2e78092a1d6f92fcab52f990212a249631b54bdf217447e26f836e2e8f
Markdown693bce2cf2397daef1d1346eade8e0509dea8dc8f6baa8d4c775127bb6ed7dde
PDF
Publication page31441e61fd95fc64f7573be3bde1465136da7c1a6f31929d60ed8c5d46a2e1f4
Manifest19a52527ce198f6b8d8da191c2ea8860b7df14afcc26d270dbbdf60561d0d08b

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
SignatureaEDMN/X92cZ00YFPuFgj0Iu90cGT7WH68ZZj+Dx1Wa9sTJ1qWE4rk/R6U1vo/Tr9s28tW7tLjtj2hP3pChLIDw==
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

2026-09-17T10:02:40.218572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080218
observed 31441e61fd95fc64f7573be3bde14651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:40.200177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080218/manifest.json
observed 19a52527ce198f6b8d8da191c2ea8860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:40.180028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080218/publication.md
observed 693bce2cf2397daef1d1346eade8e050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:40.160155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080218/publication.txt
observed 74a58e2e78092a1d6f92fcab52f99021...
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.