OpenTechnical

OT-2026-000023402

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000023402) never changes.

Identity and time

Publication numberOT-2026-000023402 · never reused
Internal UUID01a0ae70-7268-7cdf-91cd-3486bd188e25 · 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-2026-000023402
StatusPUBLIC

Content hashes

Canonical text50a9db0b7de2da0c15f7c180e417266dfc74233717b3e26158c80176d4bfa5f6
Markdown267f3d11d53b8d31cef485d13a3ab6d35eccbc1b251ada101734f75061aa6d5a
PDF
Publication page1f259bdd4d1e7adb81dec170172a822f5d6eb30970b0268daa6b36cfc7a2026f
Manifest2162b6cdc56c5995007e7f13db01da9445c29991723df62aba56bd1a259e18dc

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
SignatureOEEHZqKS6kPbuDWIoQtOr8Kwk5ZSLqROYM7id6jCGy+QNma7ix/smJcPvZKuf4MKLXvOVFmc+q/AogSE96f3CQ==
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

2026-09-17T11:51:36.436100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023402
observed 1f259bdd4d1e7adb81dec170172a822f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.420060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023402/manifest.json
observed 2162b6cdc56c5995007e7f13db01da94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.403621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023402/publication.md
observed 267f3d11d53b8d31cef485d13a3ab6d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.386281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023402/publication.txt
observed 50a9db0b7de2da0c15f7c180e417266d...
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.