OpenTechnical

OT-2026-000059649

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, vented 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-2026-000059649) never changes.

Identity and time

Publication numberOT-2026-000059649 · never reused
Internal UUID01a0ae89-ec24-750d-931d-3a0aebafcaf2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059649
StatusPUBLIC

Content hashes

Canonical text39966e0475893276df4875344b1dba558a87d7d2328bc547e5de500d1458e2c3
Markdown18069f046726ffea07200653e0f412a5b16fde19edf175ce30cebc6073284354
PDF
Publication pagecff3f1b172b834012fe4415775d5b14aa0af883650872e50a0179ea42f1a220c
Manifest4528b09fa70a4d1dbfdf5947d6cd22c16d510127858bdc5b3352348609e09742

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
SignaturePheD9x4jRMcWFuD7ToUmuX2iXb28w11XyZ+29mw4M5KXyX9cu7V46LnQSLEbsweREUCmH0/km6Ixzo08jIdZBA==
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...

Independent retrieval

2026-09-17T10:44:20.682860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059649
observed cff3f1b172b834012fe4415775d5b14a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:20.664569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059649/manifest.json
observed 4528b09fa70a4d1dbfdf5947d6cd22c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:20.645423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059649/publication.md
observed 18069f046726ffea07200653e0f412a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:20.626775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059649/publication.txt
observed 39966e0475893276df4875344b1dba55...
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.