OpenTechnical

OT-2026-000063780

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000063780) never changes.

Identity and time

Publication numberOT-2026-000063780 · never reused
Internal UUID01a0ae8c-f947-7e29-8fe5-66bbd08a5fa5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063780
StatusPUBLIC

Content hashes

Canonical text28f9fd8963d4e27d6c8a6698b93639ba553165e7aec00e7bfa1dbd681f4baf36
Markdown03591679c9b647c2f0205eaf54ac400968790ba580396eadb22997f8d2f15087
PDF
Publication page5c9325e9fcfa5c56d54a6e26029adcceaf3a84941178139fa7032322c59bc104
Manifest92e209b789c87120f92bda464888a60f0d9bab0b1921f7df931d529c6b2f2f27

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
SignatureUyufFjkRXXsDOssl0cL1q06aRWl0Tu49X5GMfTUN37llQaa2gc5Yw/eypVvilF1nx+TJE2DxMRyWTPQ5aMK7Dw==
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

2026-09-17T10:40:04.123096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063780
observed 5c9325e9fcfa5c56d54a6e26029adcce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:04.101931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063780/manifest.json
observed 92e209b789c87120f92bda464888a60f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:04.081427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063780/publication.md
observed 03591679c9b647c2f0205eaf54ac4009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:04.058362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063780/publication.txt
observed 28f9fd8963d4e27d6c8a6698b93639ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:27.358405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063780
observed 5c9325e9fcfa5c56d54a6e26029adcce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:27.340277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063780/manifest.json
observed 92e209b789c87120f92bda464888a60f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:27.322542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063780/publication.md
observed 03591679c9b647c2f0205eaf54ac4009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:27.304849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063780/publication.txt
observed 28f9fd8963d4e27d6c8a6698b93639ba...
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.