OpenTechnical

OT-2026-000023332

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000023332) never changes.

Identity and time

Publication numberOT-2026-000023332 · never reused
Internal UUID01a0ae70-7268-74be-b71c-68835af30a7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023332
StatusPUBLIC

Content hashes

Canonical textff3d00d8e4169233f707f0c105acaa704d23688f29a79229598105435599180c
Markdown576df3202bb6ecb6db597a7bc8d7e8ee402d19215208e19e9c6831a4f5267757
PDF
Publication page1866838ef30a6744778e419ea18a2bd94c5ef088675098ef632b4cd37fa7e484
Manifest2ceec0eb1fb2b1f86495b2e1eb50173866197ff7d39ca6a4215e90abe053f4ab

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
Signature9duLWH+uGuLTzidBFMR1bxVZmM6d/TTP4OYsEIt4QQA5BoqCwpjLEHc/7DGB/sfcnh1ARYSvDrb9PDBb++1EBg==
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

2026-09-17T11:51:25.269896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023332
observed 1866838ef30a6744778e419ea18a2bd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:25.253204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023332/manifest.json
observed 2ceec0eb1fb2b1f86495b2e1eb501738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:25.235721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023332/publication.md
observed 576df3202bb6ecb6db597a7bc8d7e8ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:25.217609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023332/publication.txt
observed ff3d00d8e4169233f707f0c105acaa70...
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.