OpenTechnical

OT-2026-000080777

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000080777) never changes.

Identity and time

Publication numberOT-2026-000080777 · never reused
Internal UUID01a0ae96-b974-7c5d-bddb-ce8a39d6788f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080777
StatusPUBLIC

Content hashes

Canonical text352bb828a7cbe43036ac132d520338c6235fbea693c59af7079bb9a0d4b0326f
Markdown9c2a9d0613be82af7bde256733feaf137f93f04034c694d9dac9e70180bb5ece
PDF
Publication paged276f97b00be7f75f85cd6be0b15d9f28859b073c5951e980817f445332bcdce
Manifest1e622591800ea8cd44c8ae1bfe45a219c12d72f7968b298f62828f038077c87c

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
Signature1ba7ayHAocnbpPVDMHqWum3/Psy8FedgTxPr/W+h6T5beHVq+JerV4COMsd/YxMx39rNLbyNL8xQsErOsbRqDQ==
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

2026-09-17T10:01:56.756651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080777
observed d276f97b00be7f75f85cd6be0b15d9f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:56.737822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080777/manifest.json
observed 1e622591800ea8cd44c8ae1bfe45a219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:56.719778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080777/publication.md
observed 9c2a9d0613be82af7bde256733feaf13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:56.701151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080777/publication.txt
observed 352bb828a7cbe43036ac132d520338c6...
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.