OpenTechnical

OT-2026-000073502

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000073502) never changes.

Identity and time

Publication numberOT-2026-000073502 · never reused
Internal UUID01a0ae92-efb9-7f83-9eb1-07e66215b036 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073502
StatusPUBLIC

Content hashes

Canonical textedafab23d105e15fabad58fffbc13d7e48052493d5c44d6ae580bf003f34f267
Markdownaa68e7814ae66f10a38a651e972e2d08ff1a9f8621b398367903eea16cecb24e
PDF
Publication page022a277b3218d2e9b5c052a6547266edaee989b346dcfa8188173abee830e0e3
Manifest29002f193410c2863499100d210c8316b3755e89b5bb236d8dde240f81738455

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
Signature1Mreex/rt9hcPZPZHjWD9L3sFOw+j863gCkbwjwsh2H1ZrRLs14ji0kNJ0rMS6Clkdk3QV+cNepf4K5hvedFAg==
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

2026-09-17T10:21:01.840163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073502
observed 022a277b3218d2e9b5c052a6547266ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:01.807783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073502/manifest.json
observed 29002f193410c2863499100d210c8316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:01.788918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073502/publication.md
observed aa68e7814ae66f10a38a651e972e2d08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:01.761620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073502/publication.txt
observed edafab23d105e15fabad58fffbc13d7e...
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.