OpenTechnical

OT-2026-000055656

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000055656) never changes.

Identity and time

Publication numberOT-2026-000055656 · never reused
Internal UUID01a0ae86-a103-7a86-8a14-667b73413424 · 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-2026-000055656
StatusPUBLIC

Content hashes

Canonical text58bc8bb3e1eace9cbda030104b3df566c004ec909aed5523e9fd68b97da42158
Markdown8347c3b4192d9da1155759d92542c3794f157bf6c67c2c1de98c9f2be01849fe
PDF
Publication page4a0e5fa6d03c282b3666a4121ae682cad74fa29ff7a1a3cd03cab689e2fc7785
Manifestd7fbbb3a2cc5908f7272de4662d58f48509f5adb5ca7fee84e4e2a032c11c8f1

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
Signature4ZXnLxh1Z2VMqhoSrcD2DK7FD41pxho7njaLMZKRfJ9vADwN1gAJHUgx0NQzrWk3SDEKD1LV4FuNbsXBRgMNDQ==
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

2026-09-17T10:52:54.831207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055656
observed 4a0e5fa6d03c282b3666a4121ae682ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.811188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055656/manifest.json
observed d7fbbb3a2cc5908f7272de4662d58f48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.790740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055656/publication.md
observed 8347c3b4192d9da1155759d92542c379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.771926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055656/publication.txt
observed 58bc8bb3e1eace9cbda030104b3df566...
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.