OpenTechnical

OT-2026-000054617

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented before 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-2026-000054617) never changes.

Identity and time

Publication numberOT-2026-000054617 · never reused
Internal UUID01a0ae86-1284-7dbb-a7c0-df4b495e98a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054617
StatusPUBLIC

Content hashes

Canonical textcdf748cc42f6d0b4b957a8268652441c1af4ea7a9283de0e41e4be067c3306d1
Markdownee97ee115fc2aa12c57465e45810c089548e3d154dc1ce6fdc31178183e93451
PDF
Publication page33ab8de9482b8e2e8d4fa834ff2f42b5cafb232b41e2c1ae9799815dcd3830d8
Manifest77b47423c32f09dbfa336964554bec0face2d7184779291cdf63068079f50a1d

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
Signature0pinxE/WZKUiTRHYxeMY6oolAwSHdvwhHtspxEOYZS5fquOnsD+rIGyBF6Iy3TDBDpU5edwoTuJNo/ZbDvJFDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:40.548803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054617
observed 33ab8de9482b8e2e8d4fa834ff2f42b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:40.531052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054617/manifest.json
observed 77b47423c32f09dbfa336964554bec0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:40.513273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054617/publication.md
observed ee97ee115fc2aa12c57465e45810c089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:40.496039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054617/publication.txt
observed cdf748cc42f6d0b4b957a8268652441c...
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.