OpenTechnical

OT-2026-000062495

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000062495) never changes.

Identity and time

Publication numberOT-2026-000062495 · never reused
Internal UUID01a0ae8c-0ac0-7c41-b346-58a624683732 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062495
StatusPUBLIC

Content hashes

Canonical textc40334c34793b0267f0c87982a01c0a2f8f232c004cbc33b78a4d540dda79a3b
Markdown30690743af07600a4a039a37708634d17be5e2b21af4ebfe4d55290e40147897
PDF
Publication page694bb3c880c3e658e3f37c8e1bbf3abc6afb3aad9c3f6d9142a8aecbb11c0fec
Manifest876639ca16e8225180e2410cb59eb1f7432f77d5120696c7d65d970a8f19e29f

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
SignatureQGsHfw7VHC7wW3SqKniydkGu1qPu1jMG3/XdFYcYNCCxkSodeodl1d7V7fv4r0TT1zStiK0Qqy7pTq63ubFPAw==
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

2026-09-17T10:39:51.385757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062495
observed 694bb3c880c3e658e3f37c8e1bbf3abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:51.367555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062495/manifest.json
observed 876639ca16e8225180e2410cb59eb1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:51.347288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062495/publication.md
observed 30690743af07600a4a039a37708634d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:51.326285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062495/publication.txt
observed c40334c34793b0267f0c87982a01c0a2...
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.