OpenTechnical

OT-2026-000052570

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000052570) never changes.

Identity and time

Publication numberOT-2026-000052570 · never reused
Internal UUID01a0ae84-573b-745f-8e59-f6d64c09988b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052570
StatusPUBLIC

Content hashes

Canonical textd190fb00ec6789fdac1bfa6a1dfda58dc57767b94c2c49310764f6eae7af02ca
Markdown4cb96968ce29f7198aa7dd827c79e9c8137767cb5f7c43fa56d7603c6a320a82
PDF
Publication page27d8d33312a5731c59692e65e7f729d3ab979def7aadafbe07db2e8d04152997
Manifest1a66956fd88310b75fbc752c42cd008b018edf27a5bfb3cd9a7862ba2e82b44a

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
SignaturenLA/SqWNTU0iH1iP5vDWXkVjJqjn41YVi8IASAg0grV2wjCx5ubM+3HNDiTSEs5ZMZ30I/M/FLLHQ6D+bvNBCA==
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

2026-09-17T10:57:13.752757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052570
observed 27d8d33312a5731c59692e65e7f729d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:13.734544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052570/manifest.json
observed 1a66956fd88310b75fbc752c42cd008b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:13.714576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052570/publication.md
observed 4cb96968ce29f7198aa7dd827c79e9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:13.694058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052570/publication.txt
observed d190fb00ec6789fdac1bfa6a1dfda58d...
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.