OpenTechnical

OT-2026-000033271

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000033271) never changes.

Identity and time

Publication numberOT-2026-000033271 · never reused
Internal UUID01a0ae75-4845-7d54-a8a7-6a94ff5cc992 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033271
StatusPUBLIC

Content hashes

Canonical texta085346f5947b44f6e5dbbf427a4224512cd4c0e899d4dacfb58242a59dcb68a
Markdown296c1279acedf72da0aaddf6fb10dab8b10ad7bb285859e21e1c3e80bb28b9e3
PDF
Publication page83333a4f122c265e8d10ebaad405371dc37c3badc7e77901e5eddbca0d4f57e8
Manifest9b5178b325134618cc79f609f962033f7320cb40f4554d5bbe8fd63120d5ee7c

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
SignatureORmTzpuBdhIlS6mgfXDwrRtz/6a2HaLUAH8Sb/Ewv0TrnEaspPWW5Ins3302a2LnQG0ipDZLdwF4A4MJfm45Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:59.310744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033271
observed 83333a4f122c265e8d10ebaad405371d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:59.292449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033271/manifest.json
observed 9b5178b325134618cc79f609f962033f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:59.274540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033271/publication.md
observed 296c1279acedf72da0aaddf6fb10dab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:59.257881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033271/publication.txt
observed a085346f5947b44f6e5dbbf427a42245...
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.