OpenTechnical

OT-2026-000009905

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000009905) never changes.

Identity and time

Publication numberOT-2026-000009905 · never reused
Internal UUID01a0ae6b-cb78-757a-bdba-840ea2124a30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009905
StatusPUBLIC

Content hashes

Canonical texta81e795a87ecc26cb2978b24c659f285acdbb1edaf4be1374e38c999fbc3a32e
Markdown9c8702f1c951736d5fa1161ee7ae4bfad87cd313c23ede1a6d73a908ba382401
PDF
Publication page43acca5b85b1ff6b907cf1a84406630be4a5cd2c122b2a731f17ac4d7c4c3702
Manifest2be18027c93cf915a8860efacde4518c0753c4003e6db091e5d06595ca5c7858

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
SignaturekBN+iFYMlfZL65ueoK4D7s5THWZtakqQmhFkrIWg+lx+yN0nmFPE3FPj8+b9TifdmySSiFVC0BalQQtP+2cyDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:55.132797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009905
observed 43acca5b85b1ff6b907cf1a84406630b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:55.113300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009905/manifest.json
observed 2be18027c93cf915a8860efacde4518c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:55.095320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009905/publication.md
observed 9c8702f1c951736d5fa1161ee7ae4bfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:55.077581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009905/publication.txt
observed a81e795a87ecc26cb2978b24c659f285...
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.