OpenTechnical

OT-2026-000053690

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-2026-000053690) never changes.

Identity and time

Publication numberOT-2026-000053690 · never reused
Internal UUID01a0ae85-0a96-76af-bcea-a0a3b1b875be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053690
StatusPUBLIC

Content hashes

Canonical textd38aa6221aaddfa5d561bbd62058311dd00fe39cb688af8f479c91cbd4ecf29b
Markdown1ba94b3cc4f95e8f03c82c3f93a59b4f1faf8c04a5f3afbcce8e5a563f6036a3
PDF
Publication pagee9017db7ad5afee9d798b3bb5091d193663475fce795162e17c8ffc83629cc8e
Manifestcdbaf2970a8b38369547083138bfc9543e11d18259d6022b54f10a6f1f0c9f33

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
SignatureuGQj4phNkExvdD80soAWv4sCdXC0Mz537FEr8bGUD+eEj51stnmdPRciiXYM0SIcE8fNLSM2jOew4B3hyUQ+DA==
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

2026-09-17T10:55:39.916677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053690
observed e9017db7ad5afee9d798b3bb5091d193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:39.899653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053690/manifest.json
observed cdbaf2970a8b38369547083138bfc954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:39.880026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053690/publication.md
observed 1ba94b3cc4f95e8f03c82c3f93a59b4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:39.862380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053690/publication.txt
observed d38aa6221aaddfa5d561bbd62058311d...
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.