OpenTechnical

OT-2026-000089792

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089792) never changes.

Identity and time

Publication numberOT-2026-000089792 · never reused
Internal UUID01a0ae9c-1a23-77c6-878a-6ae6f52561c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089792
StatusPUBLIC

Content hashes

Canonical text1da069f2e1f553b88132a7a7e736c6986fe2e500a22852e507af38210bcb2e96
Markdown3632e5355e3bcf1ade71927e676eb514c5f109d75bb4e5c6f1c63569ff8a5a4f
PDF
Publication pagee03699af0ff36aac8a30aa4b4aca5a7de24562a625ee08d1407d32f1469aa3f8
Manifest1c3cb25b6e63569c18b80373982d4b1c1eda28615eb7b0b0c19b360a22e88a84

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
SignatureBy1pZ2Gk4atF2qeu5AZ2uUUeHZMDkW7dsN0zyH3KEjBs4z5HXfXB5kMGwf7PjKzBfA6DixHrV9yp6R5umGP4BQ==
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

2026-09-17T09:46:52.976078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089792
observed e03699af0ff36aac8a30aa4b4aca5a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.959349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089792/manifest.json
observed 1c3cb25b6e63569c18b80373982d4b1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.941163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089792/publication.md
observed 3632e5355e3bcf1ade71927e676eb514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.923854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089792/publication.txt
observed 1da069f2e1f553b88132a7a7e736c698...
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.