OpenTechnical

OT-2026-000022766

Publication integrity record

Foam pad vacuum gripper, pump fed, sustained 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-2026-000022766) never changes.

Identity and time

Publication numberOT-2026-000022766 · never reused
Internal UUID01a0ae70-46ea-762d-8fe8-3123bf677b46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022766
StatusPUBLIC

Content hashes

Canonical textbcdc1ba2af4f08af4ac91610b107dbdffeadab6418f40b8dc9a669c9ae202e14
Markdowne18ef904b9d8dc627556ada674d1747250551d4ceaf65030049e1a363a4f855c
PDF
Publication page40ce03a9a0a166cef4ace7400a35d95e37de937dbe88dee2e5cf3eee218b005c
Manifest1c2db01fe355f0cd3e0ab099e951f92eee7283ff342243878b3c3ba86f9f1f3c

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
SignaturecWXJj6fod2335d6qna1/x+zBUXD/j2BtuChljmhsBWSGNk80sKZDHfT9VcRgSg6YM82ti9PuqjKdDAvwlvPdDA==
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

2026-09-17T11:52:16.803144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022766
observed 40ce03a9a0a166cef4ace7400a35d95e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:16.785738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022766/manifest.json
observed 1c2db01fe355f0cd3e0ab099e951f92e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:16.766296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022766/publication.md
observed e18ef904b9d8dc627556ada674d17472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:16.748828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022766/publication.txt
observed bcdc1ba2af4f08af4ac91610b107dbdf...
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.