OpenTechnical

OT-2026-000075411

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000075411) never changes.

Identity and time

Publication numberOT-2026-000075411 · never reused
Internal UUID01a0ae93-f201-7861-a42e-774636d16ecf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075411
StatusPUBLIC

Content hashes

Canonical text4208af572fcf50f452237a2f6c9b12ca37a3dd97be791e0ccf903ea0b29930c6
Markdown3a07eefb08c26fea2632840ce9713265b9f0bfb2b7b143540c4b2b7e32b4ea33
PDF
Publication page1b800209d45bd356b956a396d34f552e847795db0b9d2d60534cb0abe8f5234b
Manifest7c8ff9243e29c2b2909dfb918f698675065bf4ae24becb85b9ed90f991bd4e65

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
SignatureJzcZVL4zFejyBDAqQyfqEohl3yxOAoiQEP4lVD9kjjkSu45XEH2NO3rFeCvnr+CwCILSXEX0TS8hM7tYnOSiBg==
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

2026-09-17T10:17:32.273895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075411
observed 1b800209d45bd356b956a396d34f552e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:32.254525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075411/manifest.json
observed 7c8ff9243e29c2b2909dfb918f698675...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:32.234100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075411/publication.md
observed 3a07eefb08c26fea2632840ce9713265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:32.205208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075411/publication.txt
observed 4208af572fcf50f452237a2f6c9b12ca...
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.