OpenTechnical

OT-2026-000081718

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000081718) never changes.

Identity and time

Publication numberOT-2026-000081718 · never reused
Internal UUID01a0ae97-0f73-7aba-b3d5-5aa483afaf4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081718
StatusPUBLIC

Content hashes

Canonical texte260a8cae651fd32ce293807029e8cb082f7970c6b418e7d456a2ddf81fa509c
Markdownfacb05bcbcabcb9c475de114ed1619993edcc88e10e11a262066bc97ccbb7456
PDF
Publication pagecd34a733726025b79c2d4c6bb42101772ff1be27e1f234ebefdc9a138f15fb8e
Manifestcdcf5f4d21c944908bcf29c612abda481e1b4f3d16df3cf8cb855da16b18065d

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
SignatureXI0wN6/MLrW+mRsYnG2GR0f71qAo1WiLQF95I3CT3F2LHykUumJnFpbHWQG6ostUvKp6VIP4q7ARxrOG9VL9BQ==
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

2026-09-17T09:59:47.628735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081718
observed cd34a733726025b79c2d4c6bb4210177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.610752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081718/manifest.json
observed cdcf5f4d21c944908bcf29c612abda48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.592550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081718/publication.md
observed facb05bcbcabcb9c475de114ed161999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.574657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081718/publication.txt
observed e260a8cae651fd32ce293807029e8cb0...
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.