OpenTechnical

OT-2026-000070694

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000070694) never changes.

Identity and time

Publication numberOT-2026-000070694 · never reused
Internal UUID01a0ae91-8c2c-7660-a8a7-5ddef43db450 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070694
StatusPUBLIC

Content hashes

Canonical text326f30e45ce542ae6e1ff05909f7951f019281a9e26c30d3ffa699be2e310fd9
Markdown761f95a2ebbc701aafa9d5a93b83291b95ae74777564166035829ebbe4a4e620
PDF
Publication pagef4633caaa493e44b32624dcda4c2328ff2f363b63ca701fd5f9151254bf8839b
Manifestaf29697483296a15cfb89328862d1b004e4469b86dacdd35606832449dfd8b8b

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
Signature17AICHDqp6RfF8+q1+sJLo35J7ptJ5u7agbcuotOx4aFZok4qkHe4qzAoboR3XO5fcZu1V+/ZVLvjoUVIqe4DQ==
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

2026-09-17T10:25:22.577844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070694
observed f4633caaa493e44b32624dcda4c2328f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:22.558455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070694/manifest.json
observed af29697483296a15cfb89328862d1b00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:22.540065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070694/publication.md
observed 761f95a2ebbc701aafa9d5a93b83291b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:22.520642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070694/publication.txt
observed 326f30e45ce542ae6e1ff05909f7951f...
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.