OpenTechnical

OT-2026-000076387

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000076387) never changes.

Identity and time

Publication numberOT-2026-000076387 · never reused
Internal UUID01a0ae94-6a70-719c-87e6-74a232b20ea2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076387
StatusPUBLIC

Content hashes

Canonical texta5df0f329f41cebbb45e1d96e19ac3845cbe8391b943d7cfff4d981a3632054f
Markdown407acc7012e95094852633d1b8f635083fdeb5d607aa21d2bb369139e5bf5a14
PDF
Publication pagef79afeac67d69407696beda0606ecc20b085f382bf873e45dde9c595698ed120
Manifest3e97e728eb25f70106ee4ab5aa4ad3b79ee756f6dc0b557973fc41d1a594aad7

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
SignaturespIThFIwqAyujl1RoTaI3Jy9FPYtKrYKIVB8FlSDm3UwTlTBBetHcJXcHttErITlMy5wRxaB9tUTnyXQ8erzDg==
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

2026-09-17T10:12:16.051854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076387
observed f79afeac67d69407696beda0606ecc20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:16.032944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076387/manifest.json
observed 3e97e728eb25f70106ee4ab5aa4ad3b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:16.013273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076387/publication.md
observed 407acc7012e95094852633d1b8f63508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:15.994933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076387/publication.txt
observed a5df0f329f41cebbb45e1d96e19ac384...
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.