OpenTechnical

OT-2026-000052534

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000052534) never changes.

Identity and time

Publication numberOT-2026-000052534 · never reused
Internal UUID01a0ae84-573a-7a36-94c0-ad0e68b57ffa · 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-2026-000052534
StatusPUBLIC

Content hashes

Canonical texte4c452ddf6c9e70c4abbd6e140982072ace9a7dc44ff31ebfde7e78f6920b5ed
Markdownf85c52082fa3b819ff3753d0b2dfd6be7e28d4cdad38f6d6b5490917ae5e6975
PDF
Publication pagee314375b4363172660f93a31d2b9cd7d7ae26cf1b30899d7423dd79bc80e8c0e
Manifestcb427f29003b50e77e4434eddd102c12d16a263edd7299b5c32f9530ef9bf402

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
SignatureMkoGLKqsvJXI9C1rwKUo1p1SvVwKSwT1m8/ZQwy7Kg88mL1e8C+wt2Ua16BmPk76WVwH5ojQyVu1O2ha+XIaAg==
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

2026-09-17T10:57:10.958713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052534
observed e314375b4363172660f93a31d2b9cd7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:10.939471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052534/manifest.json
observed cb427f29003b50e77e4434eddd102c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:10.922590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052534/publication.md
observed f85c52082fa3b819ff3753d0b2dfd6be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:10.902772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052534/publication.txt
observed e4c452ddf6c9e70c4abbd6e140982072...
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.