OpenTechnical

OT-2026-000078680

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000078680) never changes.

Identity and time

Publication numberOT-2026-000078680 · never reused
Internal UUID01a0ae95-ccbb-78b5-aeab-9ae6bd90bdb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078680
StatusPUBLIC

Content hashes

Canonical text50e5b391a29827c72a4eaa501b4cac91de632e475a3aaa158d57f1d97bcb2900
Markdown28fdabfe37065d82de89977f7f4b95a86f4e584544b07cf152773ff959b8c9e3
PDF
Publication page7c03ec44ecc4cab2d26ea445b24d3a96585583a5c92b4c2b6616e4380767905f
Manifest7304ce9aeb35ed36955641e3b8506235df22a48228047fff5fc2efb9c7abd548

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
SignatureBB7M8/TrTyW/b9PI2Wel9pr3NPD/5EViK6/pY0P+cklQ/9Y7Fr7PPj+oYQHQCwfwI5vbEjcv4vx74PNq7iRFBg==
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

2026-09-17T10:05:27.433910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078680
observed 7c03ec44ecc4cab2d26ea445b24d3a96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:27.415480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078680/manifest.json
observed 7304ce9aeb35ed36955641e3b8506235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:27.398589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078680/publication.md
observed 28fdabfe37065d82de89977f7f4b95a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:27.378601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078680/publication.txt
observed 50e5b391a29827c72a4eaa501b4cac91...
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.