OpenTechnical

OT-2026-000056981

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000056981) never changes.

Identity and time

Publication numberOT-2026-000056981 · never reused
Internal UUID01a0ae87-d5b5-7a79-941f-6f46cff46f92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056981
StatusPUBLIC

Content hashes

Canonical text35bd66c673762324448ec1e719d123bb0f72b6d46e4dfc28b67c9f6930580c9c
Markdown146c82eca14264cf73d905e350c29cf646652471c9c02a63d38f3951c02f5a14
PDF
Publication page1e07d0017d6860dd6407dfb039f3fca7ee643bd262498262ffa0f3703325d4f2
Manifestc30b5fd6da2770c92185c8dcbabc4887084b971611e66f165d60b2b062b4e17a

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
SignatureMJK1di+3mA3M78jCy+yqElZFeckfr0nQWzYxmfb6X2eum2PVw/+CoAx96Ve4FiXrN1+Vm8C1B3BNB5AiGtijBA==
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

2026-09-17T10:48:26.941030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056981
observed 1e07d0017d6860dd6407dfb039f3fca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:26.918155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056981/manifest.json
observed c30b5fd6da2770c92185c8dcbabc4887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:26.900630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056981/publication.md
observed 146c82eca14264cf73d905e350c29cf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:26.883231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056981/publication.txt
observed 35bd66c673762324448ec1e719d123bb...
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.