OpenTechnical

OT-2026-000068021

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000068021) never changes.

Identity and time

Publication numberOT-2026-000068021 · never reused
Internal UUID01a0ae8f-c4fe-74a0-9ed4-873348c93a6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068021
StatusPUBLIC

Content hashes

Canonical text36160c080ace0c853c64e6bbdb271eb7a553f83f3633e81949c0fdb8ad5b9799
Markdownb47f287c0f224636574a426abbeb6b0a06b77c2fd0ddcd2db221f5972bbea842
PDF
Publication page814a6f1ca817bb780b6d43afbc7a93f36c7fd8d4576e0b1d11a113a7273aa1b7
Manifest85cf2761ccfbc160417e12a612107d4115ab0e7e9edbe00ca4dce476f1eaed2e

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
Signaturenq87dRGEmRmX/Hk+bHU5zja9zp8foht9UkgFFujXbjr8PeCGhkLzD2f7yolA9Olvn8RMI3B8I0w5N/f/mYjaDQ==
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

2026-09-17T10:30:34.839118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068021
observed 814a6f1ca817bb780b6d43afbc7a93f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.819487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068021/manifest.json
observed 85cf2761ccfbc160417e12a612107d41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.800808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068021/publication.md
observed b47f287c0f224636574a426abbeb6b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.784292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068021/publication.txt
observed 36160c080ace0c853c64e6bbdb271eb7...
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.