OpenTechnical

OT-2026-000089768

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089768) never changes.

Identity and time

Publication numberOT-2026-000089768 · never reused
Internal UUID01a0ae9c-1a22-78e4-8fb0-2c2cf22d0c7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089768
StatusPUBLIC

Content hashes

Canonical text59c6d7d371fb18f04a6a3a9bb8482651cd92382e322a3954808e350daa65d30f
Markdown8df2605910899666def504be7933d52ce731474b5527c468e066ece39c9977b4
PDF
Publication page84abc5ce7b2e1af8cf11d933cc28a0134652ce3f9963d408c32b97d2d7d4d5fb
Manifest8e1db45339813c080303f2450114e2bb15eba4726163347cb8660a81c705f68f

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
SignatureSJ9Mcgzo1Iu3qg+SE+85CPnYfPTz4Y7FANDK7NxDMVS/JRlJKoNZSA5ToelvGS7jO248ADFm31o8avVAMw3xBA==
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

2026-09-17T09:46:51.352404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089768
observed 84abc5ce7b2e1af8cf11d933cc28a013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.334765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089768/manifest.json
observed 8e1db45339813c080303f2450114e2bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.315493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089768/publication.md
observed 8df2605910899666def504be7933d52c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.296520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089768/publication.txt
observed 59c6d7d371fb18f04a6a3a9bb8482651...
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.