OpenTechnical

OT-2026-000055480

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000055480) never changes.

Identity and time

Publication numberOT-2026-000055480 · never reused
Internal UUID01a0ae86-a102-7fa8-b61d-9ae709ac6679 · 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-2026-000055480
StatusPUBLIC

Content hashes

Canonical text7666d4631cfc8953da384b4434ec7a72aed0a041a4c34fc5c852347c349c9f10
Markdown9dd468b9cb96bd34a5bf2ea6a3ab8e79069bf154abeaebcab74ccb6d4770330b
PDF
Publication pagefe2a0793eddaece9689c603f3c84fa77af056d375e50a564270accfb2742bdec
Manifestbb54586d7174304cb089aca5c798e70d11ac9b529771b2225a0c3430cd183dbd

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
Signature9YufC9DMKZs4iqbMfTiC+A5RA1JCdauVjOcP2kie/8p5F8rPFWO8+XO5GmykiWHf2HFgjzuEMBI8B6xTT16uAg==
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

2026-09-17T10:52:08.713755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055480
observed fe2a0793eddaece9689c603f3c84fa77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:08.694876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055480/manifest.json
observed bb54586d7174304cb089aca5c798e70d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:08.675724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055480/publication.md
observed 9dd468b9cb96bd34a5bf2ea6a3ab8e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:08.655702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055480/publication.txt
observed 7666d4631cfc8953da384b4434ec7a72...
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.