OpenTechnical

OT-2026-000055304

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000055304) never changes.

Identity and time

Publication numberOT-2026-000055304 · never reused
Internal UUID01a0ae86-a100-7a79-bb54-6e7d598f9220 · 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-2026-000055304
StatusPUBLIC

Content hashes

Canonical text7b0d7941d0cc3c1c207535feff452802679c0e5768951b6974e79e6acbbe81ae
Markdownb7d2cfc80c67a9105608f7ff257611330d6af684a5b788873579bcea1dcf0970
PDF
Publication page3361684c2b19b45b972f4b91a67b123333046a67d7bac883def8c68b71a98b4e
Manifested435a4667c2ab6cff854cd995bd11fc56d5ac3a34d134e8160760390d9a755e

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
SignatureylttrUgZ28NSXIuKCw5riJYlhmYM88USO4z7gY+AftRk8bcmzj8fXNR8JG60gPyn05YNQEizJJQj7jfVeyk7Aw==
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

2026-09-17T10:51:54.569984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055304
observed 3361684c2b19b45b972f4b91a67b1233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:54.551885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055304/manifest.json
observed ed435a4667c2ab6cff854cd995bd11fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:54.534673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055304/publication.md
observed b7d2cfc80c67a9105608f7ff25761133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:54.516625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055304/publication.txt
observed 7b0d7941d0cc3c1c207535feff452802...
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.