OpenTechnical

OT-2026-000066895

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000066895) never changes.

Identity and time

Publication numberOT-2026-000066895 · never reused
Internal UUID01a0ae8f-14fd-7605-973f-7ded73882aac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066895
StatusPUBLIC

Content hashes

Canonical text6c5a28ebeeb3c8d59c654bfa15a03435ce562d601d6e217224b8b06d13ae7901
Markdown20d1831ef5a37578ae82517c9813597878b2ebd86af86e16f8615e8fe542874a
PDF
Publication pagefd79868adb8d76b9c60e49adf1fbcab0b72900bb3e201f0ac1a954badd831903
Manifest694a449e2141501e4f77784304d95928495fa3645a5082f021ad200d3ad1b5e5

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
SignatureGbeaMouRNIVpQpUOXzYO8bbxAgex7Cg9lIGJ5GuQBiWxdLvmrkhPeXS6vi/HC3i7PwSXNzWZQk8xDjf2pccNDQ==
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

2026-09-17T10:32:05.817219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066895
observed fd79868adb8d76b9c60e49adf1fbcab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:05.799505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066895/manifest.json
observed 694a449e2141501e4f77784304d95928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:05.781644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066895/publication.md
observed 20d1831ef5a37578ae82517c98135978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:05.763365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066895/publication.txt
observed 6c5a28ebeeb3c8d59c654bfa15a03435...
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.