OpenTechnical

OT-2026-000083253

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, sustained blow-off 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-2026-000083253) never changes.

Identity and time

Publication numberOT-2026-000083253 · never reused
Internal UUID01a0ae97-c963-79af-a142-1fb78ffcc35b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083253
StatusPUBLIC

Content hashes

Canonical text056936d63cc94fae42915b213deb223e83a57c8a72a8c8e86714eb781ed58625
Markdownf42c2f10e53c3e161b72387f0646aa6b53c33140a6a7af150d6cef9896303ae3
PDF
Publication page1d96356bbfff868d6d8a0b7288616e5041effe7f2d07e643a4336a82cecdb03d
Manifest0f5ef3ef6beed22e58ad1fbb9205d3cdf57c7a5fa4e8755ce5b70cc5e19ef164

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
SignatureQUbQFpoN5t4U/LavH+w2KyjP1I7lT7ubcvoPEUxQtbT4k5tL/JFRSOrGfgbVQhFXityZ+6hibiLsn3pyIOMIBg==
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

2026-09-17T09:01:15.405303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083253
observed 1d96356bbfff868d6d8a0b7288616e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:15.387001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083253/manifest.json
observed 0f5ef3ef6beed22e58ad1fbb9205d3cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:15.368611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083253/publication.md
observed f42c2f10e53c3e161b72387f0646aa6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:15.350747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083253/publication.txt
observed 056936d63cc94fae42915b213deb223e...
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.