OpenTechnical

OT-2026-000078976

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000078976) never changes.

Identity and time

Publication numberOT-2026-000078976 · never reused
Internal UUID01a0ae95-ccbe-78c0-9499-a1bb1b456fff · 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-2026-000078976
StatusPUBLIC

Content hashes

Canonical text89bcca05bc288ed31dbb010534ee8286cd4552f31d93efe1f66d014b6da8e659
Markdown9f31b903d409cad6aea9f3702e14c32b469e8beac902d119c7c88395b4f9e7f8
PDF
Publication page34c2c22d31926a2a0e936f2f6160590be324cbab75c6aaf210e642e7766ddce8
Manifest50daf1830251466d86383d6161cb23d9822bf313d49d14b0f66c2a8e67570a9c

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
SignaturepxBhvfLhIm1iZBhcnbRLJBERGNBAI1r92cm6mf5GAey0x1JLobpnIcvUjfqhY1jCgTJmVjDKeJxtvPTHIUZ7Cg==
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

2026-09-17T10:05:23.460106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078976
observed 34c2c22d31926a2a0e936f2f6160590b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:23.441710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078976/manifest.json
observed 50daf1830251466d86383d6161cb23d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:23.407784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078976/publication.md
observed 9f31b903d409cad6aea9f3702e14c32b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:23.374027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078976/publication.txt
observed 89bcca05bc288ed31dbb010534ee8286...
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.