OpenTechnical

OT-2026-000023966

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single 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-2026-000023966) never changes.

Identity and time

Publication numberOT-2026-000023966 · never reused
Internal UUID01a0ae70-aed6-73bf-adb3-4c45d8994008 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023966
StatusPUBLIC

Content hashes

Canonical text938994eb1ba355bc985fa9564e8245958e7d95496961e08e684da8e3388b66f2
Markdown637d5d1fae56de5f4e1a2a7d7b861f1abd8841cacaa7fbdeec474ac30dfb2311
PDF
Publication page055b16c8ca2b68068dee86ba5faacf330a63510b62e6d4db33654e3f2a362834
Manifestf23408e1ebd48a80f249a5ef7f33f703c3658e3bab8d5dfbe90ddbe3a3cac3ec

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
SignatureENIdQMO1pdBBRKJAoGhld0oSm4sjcIMSHEeWY3y36W6fD2UJSECW1AWJsyn7cDJi+ztGFZXRUsCwqnIPtbVQAw==
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

2026-09-17T11:50:43.516723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023966
observed 055b16c8ca2b68068dee86ba5faacf33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.499603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023966/manifest.json
observed f23408e1ebd48a80f249a5ef7f33f703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.479822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023966/publication.md
observed 637d5d1fae56de5f4e1a2a7d7b861f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.458044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023966/publication.txt
observed 938994eb1ba355bc985fa9564e824595...
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.