OpenTechnical

OT-2026-000078554

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000078554) never changes.

Identity and time

Publication numberOT-2026-000078554 · never reused
Internal UUID01a0ae95-7c29-70b4-9e59-b8a056d0df98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078554
StatusPUBLIC

Content hashes

Canonical text6085beee38b6a8c0f6563f40da6175e967c6568834a07df99f9132bc1551f5fc
Markdown798ba4171fb7e6c4a6ea4c49c690082d860cae23827ec24aec25858a27d6821e
PDF
Publication pageccff6ce7a6d2c6d8558b9c7f9774da03387d199e93a2e1abe571bf58f6972652
Manifest20a3cc2727aef2b010ea19fd4c11b907b5c23dedbe65e2eecd49e80718793eac

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
SignatureIUMRwZpHXkq6yD3uEU2gi2FwXI8i2UITNNSQkewOFx8DG2O3hmbc4H6aYAkHEJNWyEbd5NeDD1cB22W753eFAA==
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

2026-09-17T10:06:34.567775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078554
observed ccff6ce7a6d2c6d8558b9c7f9774da03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.549605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078554/manifest.json
observed 20a3cc2727aef2b010ea19fd4c11b907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.530606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078554/publication.md
observed 798ba4171fb7e6c4a6ea4c49c690082d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.512058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078554/publication.txt
observed 6085beee38b6a8c0f6563f40da6175e9...
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.