OpenTechnical

OT-2026-000051013

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000051013) never changes.

Identity and time

Publication numberOT-2026-000051013 · never reused
Internal UUID01a0ae82-c7b4-766d-a920-933225384125 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051013
StatusPUBLIC

Content hashes

Canonical text1c0c71141726d0501e300d8c24a6a9701b2772c622dd76385f109e3c1f1c3611
Markdown68896b7972d022850700c43e0787f064935e7d954b268d3b7040ade8cec5eb38
PDF
Publication page545e4c9c83fd3db38f4406343f6457b062ad0278c0b01b9b57eac5c572498adc
Manifestad2deae9d0b68befef5a8136591ac588db37ad46d9ed8e25ff2dca20504a8ae3

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
SignatureOBSdxYsltjFEK/F+ronGFmprO9cyHKdrpHsN8ZbnshnXF/EQtRc0Na2+uR1wTpnUDX8UX6crmgwee+siTudMDA==
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

2026-09-17T11:00:54.953229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051013
observed 545e4c9c83fd3db38f4406343f6457b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:54.935552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051013/manifest.json
observed ad2deae9d0b68befef5a8136591ac588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:54.909832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051013/publication.md
observed 68896b7972d022850700c43e0787f064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:54.888546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051013/publication.txt
observed 1c0c71141726d0501e300d8c24a6a970...
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.