OpenTechnical

OT-2026-000054392

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000054392) never changes.

Identity and time

Publication numberOT-2026-000054392 · never reused
Internal UUID01a0ae85-b3aa-7427-acce-3c6844dc9a64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054392
StatusPUBLIC

Content hashes

Canonical text69b65b4fd9dcf8c45404792205d93eb193d985a70e664e6968b1b79012d0e1c5
Markdownba44c3d04422935d7a283674a56e92842f634fb989e43fbb9223f0d7d5f33511
PDF
Publication page5594aa7a57d0fc76cc0a90f77694afd9da4557c8d5e7fbefb60026b709bfb8f9
Manifest89eba10851d445cfd28abbd1e019141945c062dcf4f85d604283ad6617d5e202

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
SignatureOwk2E6sbXnq/3xV9+pqf0IPgxN3HgCUYaXq0XbOBFgwpzQP9lUlXqfR2zfg2EM6p5zSF3zULCAMe9OBrpD/+DQ==
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

2026-09-17T10:54:55.854839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054392
observed 5594aa7a57d0fc76cc0a90f77694afd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:55.833767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054392/manifest.json
observed 89eba10851d445cfd28abbd1e0191419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:55.811199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054392/publication.md
observed ba44c3d04422935d7a283674a56e9284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:55.791660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054392/publication.txt
observed 69b65b4fd9dcf8c45404792205d93eb1...
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.