OpenTechnical

OT-2026-000103823

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000103823) never changes.

Identity and time

Publication numberOT-2026-000103823 · never reused
Internal UUID01a0aea4-e463-7bc5-9094-1aea5c0ca98c · 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-2026-000103823
StatusPUBLIC

Content hashes

Canonical textafa9b7974ab6c0bdba7ae8e4dacb34b9d6786cc6b3c4f4470b43748774cd98e1
Markdown396d6416633e489dde0420a298f7ac9a95bb0d4e1d26f4018d4ced09e2f85106
PDF
Publication page1e5c30948da040244827ef4f36cf024f7deeae5759051eecb480f8c13bc4886b
Manifesta5d0b984685468ea0ed15c4f1b55c144feb570464a868570f5625415711c3b2b

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
SignaturepMEEPulfsLN3/1pcCk1MCr6hdQaTEyAKzNTwLPKGupA1KEC59fqqu0S8gk5fbXN60xQ+fOgmR6IhLnzHLsntCw==
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

2026-09-17T09:22:46.847842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103823
observed 1e5c30948da040244827ef4f36cf024f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.833075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103823/manifest.json
observed a5d0b984685468ea0ed15c4f1b55c144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.817206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103823/publication.md
observed 396d6416633e489dde0420a298f7ac9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.799739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103823/publication.txt
observed afa9b7974ab6c0bdba7ae8e4dacb34b9...
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.