OpenTechnical

OT-2026-000087546

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, supply line 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-2026-000087546) never changes.

Identity and time

Publication numberOT-2026-000087546 · never reused
Internal UUID01a0ae9a-cd52-77aa-972a-8b9d893a7555 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087546
StatusPUBLIC

Content hashes

Canonical text810566b94e60c3a3f06eb98d7dd0ccb9ea00bafcc33ce8ba14a866d625a4f8e3
Markdown6e0f5f0b8fb8aa07e837f7e3370d9fdc3294ef37709950a24345a29ea5ecc0a0
PDF
Publication page524860aa6a55d0d4b01ddadf2f73c50fc4e3869c429c1a2169b8a8780650369c
Manifestd9056d9240447cd042adf1b6c24a86c19566da1af8f7e7c6da8ac8394ae54c31

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
SignatureZGHIJqmmbtEQKa7YMlngqBGkfky8cBbK4pSAXqyEC1FOYDmxdySaT1B+0UXiI0tiiMjcWddZfTsmFC1Alk0DCQ==
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

2026-09-17T09:50:53.259754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087546
observed 524860aa6a55d0d4b01ddadf2f73c50f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.242432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087546/manifest.json
observed d9056d9240447cd042adf1b6c24a86c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.225933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087546/publication.md
observed 6e0f5f0b8fb8aa07e837f7e3370d9fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.209040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087546/publication.txt
observed 810566b94e60c3a3f06eb98d7dd0ccb9...
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.