OpenTechnical

OT-2026-000050267

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000050267) never changes.

Identity and time

Publication numberOT-2026-000050267 · never reused
Internal UUID01a0ae82-5c46-7f8c-8923-50c69a7e58b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050267
StatusPUBLIC

Content hashes

Canonical text43ff8384e51f1dbac566ed6d4901383450af21005969bc595b34df80f108babe
Markdown32d6e51e2c9da50f5db17dc75d4b04b46e59a726dc86d01ae4450874a272b049
PDF
Publication page70336409166937809401b731149d79889a5520444971054079bdf84e3cd99c9f
Manifest522fc5ba83e2ebe2fbc5263d3b79e7231d1e7478b838ec316770c66f07ed99a5

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
SignatureWRubqXrBnDFZx9tkXsEWMV0JfWbS56LBkjjG4KnhTAG/mD6Kz/AbIo73BirxHPYwFGDYjD8Xe2WFoS26DPCDCg==
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

2026-09-17T11:01:16.104026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050267
observed 70336409166937809401b731149d7988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:16.087445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050267/manifest.json
observed 522fc5ba83e2ebe2fbc5263d3b79e723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:16.072154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050267/publication.md
observed 32d6e51e2c9da50f5db17dc75d4b04b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:16.056799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050267/publication.txt
observed 43ff8384e51f1dbac566ed6d49013834...
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.