OpenTechnical

OT-2026-000076659

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000076659) never changes.

Identity and time

Publication numberOT-2026-000076659 · never reused
Internal UUID01a0ae94-b06f-7815-88d7-e26d2f943007 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076659
StatusPUBLIC

Content hashes

Canonical text5dff4885be10119e3441edd7bc508d9cbfbee99d7ded97f4fc3155c47f66a48f
Markdown3ab4d4aead0a8371e2f06d09d436d5b1040dfa857e89829d034ab9cc6445c94d
PDF
Publication page1ce8dda7c6caccd58daf6cffcc39b6d2d2b48d1d328b9e89b46743b47036d4f2
Manifest7536cac5fe158c11f231d42a6287dc397b12ac60f4edbd19e4cd6971b5315cae

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
SignatureZNvPY+aEy4HbD5y+gzThMiLoXcO+PzRl4X/r/Ioyfv1526lQyLKf+6vkKI8lj0uUR3QIvDE75ztDKD0ESgS7CA==
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

2026-09-17T10:09:24.190968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076659
observed 1ce8dda7c6caccd58daf6cffcc39b6d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.171737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076659/manifest.json
observed 7536cac5fe158c11f231d42a6287dc39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.152520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076659/publication.md
observed 3ab4d4aead0a8371e2f06d09d436d5b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.133848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076659/publication.txt
observed 5dff4885be10119e3441edd7bc508d9c...
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.