OpenTechnical

OT-2026-000069491

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000069491) never changes.

Identity and time

Publication numberOT-2026-000069491 · never reused
Internal UUID01a0ae90-b52b-7b27-9e44-ef7b207c9889 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069491
StatusPUBLIC

Content hashes

Canonical text5df54205dda8ff3aa966f1124ce1f8f7b774a4d8d7f0fb52ac9c4c7af1a4788b
Markdown5d6cd8083066f5ffb9e10b1c673699fe2b586ebe8e6f297394d98deaff2b59a2
PDF
Publication pagec5bd0884aa9d03ce6ab26c9f31a833ff9079c3e8d7dc3276e3391f4232229eb7
Manifest8dc824a9ecc9a12e3c1015608671fce9273daf3d70471e30f434043976097386

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
SignatureWjkMXMeel1pDSgXB+9mYvaJ5BASJnNcpbi2stDj05ZOhXH8tYwdoW0IYGN6rTmHEUMNPDT5nSGsn31x43UdPDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:34.358012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069491
observed c5bd0884aa9d03ce6ab26c9f31a833ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.338575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069491/manifest.json
observed 8dc824a9ecc9a12e3c1015608671fce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.319687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069491/publication.md
observed 5d6cd8083066f5ffb9e10b1c673699fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.301542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069491/publication.txt
observed 5df54205dda8ff3aa966f1124ce1f8f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.097175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069491
observed c5bd0884aa9d03ce6ab26c9f31a833ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.076111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069491/manifest.json
observed 8dc824a9ecc9a12e3c1015608671fce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.057025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069491/publication.md
observed 5d6cd8083066f5ffb9e10b1c673699fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.040144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069491/publication.txt
observed 5df54205dda8ff3aa966f1124ce1f8f7...
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.