OpenTechnical

OT-2026-000072057

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000072057) never changes.

Identity and time

Publication numberOT-2026-000072057 · never reused
Internal UUID01a0ae92-47c1-762f-996d-99b298b50031 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072057
StatusPUBLIC

Content hashes

Canonical text70918ab5143dfb8ecf2e7fbee85957d96e629e0224da41c7be9c46c955851492
Markdown06ceae4a61621390301f5508f77c1050e45d1687ee4076129fceb3818ab24c25
PDF
Publication page03e9b4c6492de62945cca3e99ce8ac63ff6fe8134aa2fec25094dda4a470c44c
Manifest9f465e1a74f23dba987e7c0562682f530691b241ec3dd490e02e2ca81c9c718a

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
Signatureumiz/OeElTYFc6ELFfFdMGsU0Om0EaGP/WEqm/1VuHmf9BmDahoG8Vsjc67QAWgsrhQ8BL03M1iadH//d9OlCw==
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

2026-09-17T10:23:07.628840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072057
observed 03e9b4c6492de62945cca3e99ce8ac63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:07.611256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072057/manifest.json
observed 9f465e1a74f23dba987e7c0562682f53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:07.592631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072057/publication.md
observed 06ceae4a61621390301f5508f77c1050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:07.574643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072057/publication.txt
observed 70918ab5143dfb8ecf2e7fbee85957d9...
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.