OpenTechnical

OT-2026-000071985

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line 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-2026-000071985) never changes.

Identity and time

Publication numberOT-2026-000071985 · never reused
Internal UUID01a0ae92-47c0-774c-bc8e-90e126e57583 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071985
StatusPUBLIC

Content hashes

Canonical text47cb249f78955999fde0927f4d794266085cff9b58b3436ef8f0af26bad4f9d1
Markdownb1b344077354048134c52ee06386a0af6992e1ffd9ec3aee2bfd8ea1af5c0124
PDF
Publication page8985804d2de75ff88bcc970ce742fd14e7438ea5d2efcedfa8c0da683cb315e7
Manifest5277a5c2446c9f2a555c0a06786b4f22e1a199373187ff3f238dd697a7c44e99

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
SignaturegSfjWKxH4V34Fh/d7bsfHn0P49JWc5SBAXmi0ox0bMFrnC+N2UXYwoILQR7G/swNooybGPwPPPbG2ZfHdM62CQ==
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

2026-09-17T10:23:02.293975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071985
observed 8985804d2de75ff88bcc970ce742fd14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:02.275546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071985/manifest.json
observed 5277a5c2446c9f2a555c0a06786b4f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:02.257959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071985/publication.md
observed b1b344077354048134c52ee06386a0af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:02.242255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071985/publication.txt
observed 47cb249f78955999fde0927f4d794266...
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.