OpenTechnical

OT-2026-000078480

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000078480) never changes.

Identity and time

Publication numberOT-2026-000078480 · never reused
Internal UUID01a0ae95-7c28-75db-9f76-0d8769776c90 · 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-2026-000078480
StatusPUBLIC

Content hashes

Canonical text47b97e29beeb78836cbc38c99c8ef0cb2ed736a6954e975dde33476b71f4767b
Markdownb6460585dd75dacad98644d33af546168e9f44f8891511b8dc793cb9912d6dc3
PDF
Publication pagef6a66b91366f09f92a9cb15915e0aedabb27097b5622a547f8230ff741cbf81d
Manifest64df0823e66f562c2104f474e94c9e6b540549937693d9a47aa4f53fb94a2674

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
SignatureeXwmylro2viXnzleyr0G+R2Ig0d+1FMBDqATfiODtqOFIspl3/dOguWffqA5kxcCaGlcsk2TBawpxr2+HJZpAQ==
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

2026-09-17T10:06:29.386524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078480
observed f6a66b91366f09f92a9cb15915e0aeda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.368701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078480/manifest.json
observed 64df0823e66f562c2104f474e94c9e6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.350395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078480/publication.md
observed b6460585dd75dacad98644d33af54616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.328940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078480/publication.txt
observed 47b97e29beeb78836cbc38c99c8ef0cb...
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.