OpenTechnical

OT-2026-000049079

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000049079) never changes.

Identity and time

Publication numberOT-2026-000049079 · never reused
Internal UUID01a0ae81-134d-78c8-9f1f-f5a60871c74b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049079
StatusPUBLIC

Content hashes

Canonical text1b93c2617835eda8711bc6266f3b90ed052cde16b9dbadb9c1ec5a9605dac786
Markdown70b255a71cfaee8ca708d2d08140b0440bb55e9fd7fc619ae369fb198553c06d
PDF
Publication page6fe3283a2dba57b3faf5e1ee21fc40167a20c94f984ad7630ee15902bd4ce0a0
Manifest017380f2814fb0c3a4904f3691ee9e0db3cb64b68befe0c6775f8be037943121

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
Signature7DVSfTC9bD9vWJRoVk45FtcWHpeCSvmWeQ4faWo+ojp9LFpDqS9tqzuKAESSlDmJhLvySY3N+vp35eu1UOfWDA==
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

2026-09-17T11:03:19.230626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049079
observed 6fe3283a2dba57b3faf5e1ee21fc4016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:19.212692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049079/manifest.json
observed 017380f2814fb0c3a4904f3691ee9e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:19.192519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049079/publication.md
observed 70b255a71cfaee8ca708d2d08140b044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:19.172172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049079/publication.txt
observed 1b93c2617835eda8711bc6266f3b90ed...
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.