OpenTechnical

OT-2026-000055942

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000055942) never changes.

Identity and time

Publication numberOT-2026-000055942 · never reused
Internal UUID01a0ae87-0a4a-7523-9056-a842a60d3dd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055942
StatusPUBLIC

Content hashes

Canonical text9c0db1aae4bdbfdc61b362bbe4592f8e7d6a3fd1a528a96bb5d227a06dc148f4
Markdown18f22070c31fb00e02e8dceac1405e28d3407d3e90662757f1250a5d49a0d0d8
PDF
Publication pageb4071939b453ef51766ae3e53f3810548e77e95f0c2aa147de28fd142023ac0f
Manifest53f618cfe1a7e4b2ab8a0a4b46dfaaa9ada1a9d9f34d7dfb55d0ead75dcde696

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
Signature6VlfpZDKvK75NK0DbUx4U5gPT+YDQ5mXgtJEzynMphAeFYlcctdcrzwSidPsrHbaHRl/keC1AKBTzNVUVE50BA==
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

2026-09-17T10:51:12.624105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055942
observed b4071939b453ef51766ae3e53f381054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:12.582453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055942/manifest.json
observed 53f618cfe1a7e4b2ab8a0a4b46dfaaa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:12.564415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055942/publication.md
observed 18f22070c31fb00e02e8dceac1405e28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:12.513117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055942/publication.txt
observed 9c0db1aae4bdbfdc61b362bbe4592f8e...
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.