OpenTechnical

OT-2026-000078485

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-2026-000078485) never changes.

Identity and time

Publication numberOT-2026-000078485 · never reused
Internal UUID01a0ae95-7c28-7554-9bcf-3ce0522e44e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078485
StatusPUBLIC

Content hashes

Canonical text46b875630603339a4189cd245c05e2a27abb4f3366f43010f1061dc070b7ae7a
Markdown7220d9f9f6f158cdd7ab54bef1634fd28920414501996a0f2b942f5e05131395
PDF
Publication page5537982b4d1d21117ebbd0d7db55588c409f88fb4d03f281edb3a738f017cae5
Manifest593f98c5acefbc249bdaebd81f1f7bcfa21a06a7df47daa0ece175ff7e4dc5a3

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
SignatureveERBJ8lU5Wvn4mc/yewLdxKkM3cNCI+OlAQlgEDrfysYsGP4WgABBipgL6nbSYYv4vsKkSNhdhzzcoJnvy1DA==
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

2026-09-17T10:06:29.705257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078485
observed 5537982b4d1d21117ebbd0d7db55588c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.686299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078485/manifest.json
observed 593f98c5acefbc249bdaebd81f1f7bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.668074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078485/publication.md
observed 7220d9f9f6f158cdd7ab54bef1634fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.643720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078485/publication.txt
observed 46b875630603339a4189cd245c05e2a2...
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.