OpenTechnical

OT-2026-000069113

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000069113) never changes.

Identity and time

Publication numberOT-2026-000069113 · never reused
Internal UUID01a0ae90-6dce-7d8a-8682-af34ad5d3e6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069113
StatusPUBLIC

Content hashes

Canonical text56d65e90631d732b927afbc4b4821abf2262a0e31436c963b434364d44c37445
Markdown75eb61d189f5baff24779c49bba46db0830401a966a9df784de8447750586e39
PDF
Publication page8f360957e4a01fd9219479e8acb782413984bc8a0fe65671dc1629c6fe9fdb6b
Manifesteccfbcbf43962d6f5fe65d6661e43dc8dbb71344a76ac5df9531b1c9b546f859

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
SignatureA6Z27g3Ag0FD8WuqBhSk6An11imntZqP8NhG4KpmRr8DQGbSBpi/a5fktl13THVzHCU3kKz76sllonp2TXJbAg==
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

2026-09-17T10:28:59.459193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069113
observed 8f360957e4a01fd9219479e8acb78241...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.441972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069113/manifest.json
observed eccfbcbf43962d6f5fe65d6661e43dc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.424631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069113/publication.md
observed 75eb61d189f5baff24779c49bba46db0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.405233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069113/publication.txt
observed 56d65e90631d732b927afbc4b4821abf...
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.