OpenTechnical

OT-2026-000076608

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000076608) never changes.

Identity and time

Publication numberOT-2026-000076608 · never reused
Internal UUID01a0ae94-b06e-780a-8511-91649fbadec6 · 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-2026-000076608
StatusPUBLIC

Content hashes

Canonical text349a7aa3c82a1b1da56967ddc41f58cbf8d0f14be25ca4894f899c5312396b25
Markdownbd7152dab95fa619d17f90511a68b84bc4d01ea988e574ecaab11ebf6c98e45a
PDF
Publication pageba0fc515edb677e5ca52362f7278f8872209f3f9e4f17351b8f863268c8d4cac
Manifest090067c4eba6023bb15057f9e512a2e3767aca68b4b0761757373c01fcc3549e

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
SignaturewfVhM9cjhTCvAommupH5U+9Z0rpwKd/udiWy82UYyJDligaJEB4JYVY7L6lx6C+SGtdmZD6e2qjVMgO6uEOrAQ==
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

2026-09-17T10:09:19.991210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076608
observed ba0fc515edb677e5ca52362f7278f887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.973403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076608/manifest.json
observed 090067c4eba6023bb15057f9e512a2e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.956869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076608/publication.md
observed bd7152dab95fa619d17f90511a68b84b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.939652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076608/publication.txt
observed 349a7aa3c82a1b1da56967ddc41f58cb...
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.