OpenTechnical

OT-2026-000076521

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076521) never changes.

Identity and time

Publication numberOT-2026-000076521 · never reused
Internal UUID01a0ae94-6a71-7c0d-a297-1b2d8689bd54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076521
StatusPUBLIC

Content hashes

Canonical texta875083ac7d586ea3c17b153a647fa7c383207b6fcce26d8cefff5b24b38cbe9
Markdown6b5eff72910e03d85c707bb9c19be3ae6036d6579d1638c536ab0d030070b9f6
PDF
Publication page0f5f1bff211fdfe2c5fdf477ba66ddede6fa91c1bba43fe8072e7278d8733f2b
Manifestb82754cc70e4a4f4f1bd4a375d5bb43f60694c20f98b154a5b5ee63d2416c538

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
SignatureTht/3saFj0GDScmhI5B66REDwtV7VHgWPEGWtZXptoeaNXmmhfTtJSDymmAnvpoAN8+SP/ys+hcEnuC2xgg4DQ==
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

2026-09-17T10:12:50.807001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076521
observed 0f5f1bff211fdfe2c5fdf477ba66dded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:50.788524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076521/manifest.json
observed b82754cc70e4a4f4f1bd4a375d5bb43f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:50.770537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076521/publication.md
observed 6b5eff72910e03d85c707bb9c19be3ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:50.752480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076521/publication.txt
observed a875083ac7d586ea3c17b153a647fa7c...
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.