OpenTechnical

OT-2026-000055519

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000055519) never changes.

Identity and time

Publication numberOT-2026-000055519 · never reused
Internal UUID01a0ae86-a102-7be5-bb7b-e490dfcff62f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055519
StatusPUBLIC

Content hashes

Canonical text8047bd89e2c065ee29cbde66bb46dd24ddd7054c3227f9d7ce9d4eff89e99df5
Markdownc897ddea5f0c9eed96125eafd61d9940a365caa485188ca8ccae3f896e27d54f
PDF
Publication page56e956ac31b9b5e24fbe589dc1ce4f7afa030d9f41b72d01c954b8f7bd37ae28
Manifestbc26557852fa86d0314e23b628e6bde0514ca9e29cb1c3bd351c3142bb4e1d14

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
Signature2xTBZjE6oy6FxRXFjWbe+4X1SN1AKTN4C8ukiWAf1UeSI6kfzieVcHc59iU7vRl2hSJ3f8IweNtkF1g6WxvCBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:11.738326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055519
observed 56e956ac31b9b5e24fbe589dc1ce4f7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:11.720864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055519/manifest.json
observed bc26557852fa86d0314e23b628e6bde0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:11.703027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055519/publication.md
observed c897ddea5f0c9eed96125eafd61d9940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:11.683480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055519/publication.txt
observed 8047bd89e2c065ee29cbde66bb46dd24...
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.