OpenTechnical

OT-2026-000042486

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, sustained blow-off after 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-2026-000042486) never changes.

Identity and time

Publication numberOT-2026-000042486 · never reused
Internal UUID01a0ae7a-c0cc-77ad-9302-6a719f96bcb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042486
StatusPUBLIC

Content hashes

Canonical text7dbf3c3037a1d86f00ee5e1b2668f564d96b6e269d0124077fdc4328eaa2545e
Markdown35da07e31780062f2c01d850ac9476c331b6aac6e65c074593fb5e3d1321e891
PDF
Publication page10ff3dd1357af0a6087aa3cc533819d92135758b254142689e0ec5f4c623ec2b
Manifest1395b5404b011b4ce3fb43a933678b54ec7a2aa2fdc6a427d7bc2ad592666b3d

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
SignatureX5//sHWw2B1j/IUEHtFoFO3+QxjdHBZI7TfQE2n8H9GsQiUSDYvEGkUSXgyejaWUAXYPMQ2hMjDaadR7CILKAg==
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

2026-09-17T11:14:03.442982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042486
observed 10ff3dd1357af0a6087aa3cc533819d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:03.424584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042486/manifest.json
observed 1395b5404b011b4ce3fb43a933678b54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:03.405463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042486/publication.md
observed 35da07e31780062f2c01d850ac9476c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:03.385833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042486/publication.txt
observed 7dbf3c3037a1d86f00ee5e1b2668f564...
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.