OpenTechnical

OT-2026-000075509

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold 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-2026-000075509) never changes.

Identity and time

Publication numberOT-2026-000075509 · never reused
Internal UUID01a0ae93-f202-7712-b6bd-755e6f9f36c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075509
StatusPUBLIC

Content hashes

Canonical text7b8e85b8f478498d67550bd8b732412d4eae860fdb2d29a4a7dd11f54cf31bfc
Markdown8314c822f70b6e621bfdaea2c40afa0eaeb442b17a5c0ddde8377b5c0c757389
PDF
Publication paged12026f0640164bd033c2d7a774420b95ff064aca645a465e0536e3804ddc40e
Manifest1c4e01a5eb704ba532706e6fe7e47a8b5815b1c40ace94af214dfb7efc0d05ed

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
Signatureq8vjxEopngl8Agi1IncbECF15i27fSee78lxHxs1fF+0PXPTKH13RACkC6CX6Fuh0NP0tE1SMpI9r9DsH6pEDw==
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

2026-09-17T10:17:56.964725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075509
observed d12026f0640164bd033c2d7a774420b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:56.945526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075509/manifest.json
observed 1c4e01a5eb704ba532706e6fe7e47a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:56.803098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075509/publication.md
observed 8314c822f70b6e621bfdaea2c40afa0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:56.783811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075509/publication.txt
observed 7b8e85b8f478498d67550bd8b732412d...
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.