OpenTechnical

OT-2026-000094974

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000094974) never changes.

Identity and time

Publication numberOT-2026-000094974 · never reused
Internal UUID01a0ae9f-2df0-7ef0-9ec6-84676bcb9290 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094974
StatusPUBLIC

Content hashes

Canonical text5516a51e71ea46368b149f8720b595a2b57764351ee9b379665320c0b7346d64
Markdown80c196b3dfb032d477bc48789238e7a36620c27074a2bbef0523f25d15d7b59f
PDF
Publication page891fc18319b6e31ad5fa17f0184caea6d9c4df3844ca0b82362cf48856ba9735
Manifest0967494a5ceed9c50de2ad897d8bac5ee5cf60b85a7f3d19a28b4efb14b9984b

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
SignatureE7gxfazyZO0BLbv+ZUEOG1SeRpszVhE6vRR3B1hNbJDbHrE/MYQC7hK1IMFchhn76oC6hWyjmbG2SWJo9urTBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:31.299594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094974
observed 891fc18319b6e31ad5fa17f0184caea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.281760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094974/manifest.json
observed 0967494a5ceed9c50de2ad897d8bac5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.262871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094974/publication.md
observed 80c196b3dfb032d477bc48789238e7a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.243216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094974/publication.txt
observed 5516a51e71ea46368b149f8720b595a2...
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.