OpenTechnical

OT-2026-000051600

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000051600) never changes.

Identity and time

Publication numberOT-2026-000051600 · never reused
Internal UUID01a0ae83-7c81-768b-a0b7-a722f7fae201 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051600
StatusPUBLIC

Content hashes

Canonical text10e1c896930ad2eb764cd3031c78ae41e96c651ac23e656aa9099074f5b44354
Markdown004e34a957be9da3927e79aeec351d0306f91281c224e6ab389eafe1b12600b9
PDF
Publication pagebf41091ce8f926bd5c48cec462fbca4e151fd719bd41b7ecb48a6687812b228d
Manifest9f2d8069fd1f93243463d4df32ed64b4787aac30c03846264dad6984191304ad

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
SignatureacDPfd6JXsTqVZ2fPSWwAxII2HOgYIfWa35OOzbsEsKC84ZHyfer4SdbDpxxyY1IH38AWVJuC19wV1O8Aql5Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T10:58:26.925505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051600
observed bf41091ce8f926bd5c48cec462fbca4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:26.907600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051600/manifest.json
observed 9f2d8069fd1f93243463d4df32ed64b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:26.889622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051600/publication.md
observed 004e34a957be9da3927e79aeec351d03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:26.873009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051600/publication.txt
observed 10e1c896930ad2eb764cd3031c78ae41...
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.