OpenTechnical

OT-2026-000023474

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off before set-down, on a tool changer

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-2026-000023474) never changes.

Identity and time

Publication numberOT-2026-000023474 · never reused
Internal UUID01a0ae70-7269-7576-ac27-01967d95890a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023474
StatusPUBLIC

Content hashes

Canonical text91a9e24760c4124faefeed1779d89b7543ad4423f42b48704bb61111600530c8
Markdownefe5c2f303a84f98ccffd6bb5b7304381a57ed540b47d207390cfdd0dda8e764
PDF
Publication page522e920d1af4a02b3ddc04c914e76870f31d4c7a663fd21d677e3889c04e22ba
Manifestc6a665273cc567eaead9d304b4fa7fcd88823741b7df3efd56ac6e1c8a6022d2

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
SignatureUgMElgvC2Iefvv0tqrUWyh094Ee+EbyESewoNklp/OUyLxcyrAfXMDcq7ysuxuiFbiuHq+jxJITGwvxyAM0DCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:41.889609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023474
observed 522e920d1af4a02b3ddc04c914e76870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:41.871382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023474/manifest.json
observed c6a665273cc567eaead9d304b4fa7fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:41.852546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023474/publication.md
observed efe5c2f303a84f98ccffd6bb5b730438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:41.835680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023474/publication.txt
observed 91a9e24760c4124faefeed1779d89b75...
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.