OpenTechnical

OT-2026-000095457

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000095457) never changes.

Identity and time

Publication numberOT-2026-000095457 · never reused
Internal UUID01a0ae9f-8f73-7b5f-b060-aab640ef03b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095457
StatusPUBLIC

Content hashes

Canonical text41286220d857d4f98c46f6be21dede1eb92bca5daea11ad5b0664d782015e9aa
Markdown4e7a4268a2ffa8a7cf512add5f789c4c5a0fcfc4de18e59b619df4ff2aebe7d2
PDF
Publication page5f6302e4cf1a8caae18bc01deb79a6bb751372376a177fcdc72de33d0be4f607
Manifestd8caacf56998648c30a010412c6ab6dc314a6f39f0e615ca50af70b4043a8421

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
SignatureAW4oL6jil2S/MgMKioSQSC/ijXfiVpeaR7fgcX3sikzF+dM72VYyfR6cEPOZTK27M1/OMe3YFxOfC0j92d8mDA==
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

2026-09-17T09:36:50.098227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095457
observed 5f6302e4cf1a8caae18bc01deb79a6bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:50.081930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095457/manifest.json
observed d8caacf56998648c30a010412c6ab6dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:50.063584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095457/publication.md
observed 4e7a4268a2ffa8a7cf512add5f789c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:50.047148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095457/publication.txt
observed 41286220d857d4f98c46f6be21dede1e...
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.