OpenTechnical

OT-2026-000103721

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pulsed blow-off after 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-2026-000103721) never changes.

Identity and time

Publication numberOT-2026-000103721 · never reused
Internal UUID01a0aea4-e462-72b1-b23f-eded36effe94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103721
StatusPUBLIC

Content hashes

Canonical text8881b17224e8ce849999186c0974e6ae3b9f6042bc3af1f29acb860d80bdb517
Markdownb177cc3ca8c18fa85512364262e45342eadfbf8d6e3f05b0aa83e662c696ebad
PDF
Publication page05d000eda0d34b8929e2e976a2242833eb4eb88eb0df7cfcfdd06cf44068126c
Manifest2187d74b317c01500fa0ab41fc24059c40daf71cdf151b0e6f765bc2c69b946d

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
SignaturexDGInUOmUOVjZgNJ/F3PLbG4GBC3k+s0dCqkExCXylDd5CDEC7vvyp7x/DHikeCTIkOWGQGv3R2sUlHVG/RiCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:32.120390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103721
observed 05d000eda0d34b8929e2e976a2242833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.103407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103721/manifest.json
observed 2187d74b317c01500fa0ab41fc24059c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.086750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103721/publication.md
observed b177cc3ca8c18fa85512364262e45342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.070082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103721/publication.txt
observed 8881b17224e8ce849999186c0974e6ae...
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.