OpenTechnical

OT-2026-000041264

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, pulsed 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-2026-000041264) never changes.

Identity and time

Publication numberOT-2026-000041264 · never reused
Internal UUID01a0ae79-b143-7d3b-a273-e2b2caca8e73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041264
StatusPUBLIC

Content hashes

Canonical textf229fcd3d818c9d849ffe311a866e4f8a6c0029179530c3ae129821f582e67ca
Markdown893ae07d61438e75eeaff7e36258c715994f17f9f5df83caf429eaaec3083d7a
PDF
Publication pagef38448c7d47293fe820e04be879e8295b8f7f4e6c01fb712fdc42fe5196d13dd
Manifest3a777af43e1a34339dd998b7b2d6c04d07ea5bcdc522e0193835b42930238524

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
SignatureStTrw82uZMrYX5oKb+oyQrf/mmNrMgKGcglg1X4xg0NXBqThgvPya5xMZqrJUjXQ9cZmBJWDeoGQrisjb4LWAw==
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

2026-09-17T11:17:14.249645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041264
observed f38448c7d47293fe820e04be879e8295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:14.231276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041264/manifest.json
observed 3a777af43e1a34339dd998b7b2d6c04d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:14.215052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041264/publication.md
observed 893ae07d61438e75eeaff7e36258c715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:14.198527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041264/publication.txt
observed f229fcd3d818c9d849ffe311a866e4f8...
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.