OpenTechnical

OT-2026-000068407

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, vented after 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-2026-000068407) never changes.

Identity and time

Publication numberOT-2026-000068407 · never reused
Internal UUID01a0ae90-2481-7479-b797-ceefdcb1fa47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068407
StatusPUBLIC

Content hashes

Canonical textb51cf3910fd79ea06961a40c16bd0cc8dfe8dc05ac9473e280974b1fdd40dc72
Markdown5ceefbed231c524f2fbf3f7bdda86e50e4e9f4ed0ea3bbebe03334a721f47463
PDF
Publication page5afe37f5bccdd3161fe9fab29f8f1bc4a1c5754431c63da5fc0d59d9b1a89ad4
Manifest5b000f636d7e7acd0930c598ba21ea52180415762d282b2bb44685fbd1fc7d10

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
SignatureP/lDsvEfcd1u+3Fjo1K9sYCWPWpTuYWQgJ74UE3oQWvFxNEsL5mFYGNEJ0zjdbvEB0plpiTv4mrGiONpE4hHCQ==
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

2026-09-17T10:29:32.333539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068407
observed 5afe37f5bccdd3161fe9fab29f8f1bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.314511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068407/manifest.json
observed 5b000f636d7e7acd0930c598ba21ea52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.294699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068407/publication.md
observed 5ceefbed231c524f2fbf3f7bdda86e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.277413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068407/publication.txt
observed b51cf3910fd79ea06961a40c16bd0cc8...
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.