OpenTechnical

OT-2026-000099655

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, 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-2026-000099655) never changes.

Identity and time

Publication numberOT-2026-000099655 · never reused
Internal UUID01a0aea2-c976-72a0-8816-84e8800bd946 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099655
StatusPUBLIC

Content hashes

Canonical text00b7d70d071921ec38b3556ba2a97d25a9694f63ce5c9be2b367b0b51bfe44aa
Markdown6b80e0bf4fb7bb6d15b165c8421b7df00fd4aba1e7b9b016fc5cad5a26134e6e
PDF
Publication paged81883c84ce1c97da049570bf06e7db89d4af9cc7e1284b614f92ff1f80b6e73
Manifestf8df24acbe4326eca0a21624cd15163b1953bb7bafd475f4952c96329e3ac91f

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
SignatureftbvJxLs4b+WpJNetsdlHe06IhzObJ7NFhJU5LkrDFckrY/YKzxVR3nBZKpKY22/PgtrTC0LaVQksKZcDWJMBw==
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

2026-09-17T09:29:35.665571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099655
observed d81883c84ce1c97da049570bf06e7db8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.644910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099655/manifest.json
observed f8df24acbe4326eca0a21624cd15163b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.624904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099655/publication.md
observed 6b80e0bf4fb7bb6d15b165c8421b7df0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.606366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099655/publication.txt
observed 00b7d70d071921ec38b3556ba2a97d25...
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.