OpenTechnical

OT-2026-000069653

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000069653) never changes.

Identity and time

Publication numberOT-2026-000069653 · never reused
Internal UUID01a0ae90-b52c-7678-a32a-6b784b08c26c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069653
StatusPUBLIC

Content hashes

Canonical text4d8fc88310a50b1ca36eb88d3438e6401f4c39d1155a02aa51e96c9f98f8081c
Markdown64b0b00c0fd3e9ae4e46f5416c7621103f073ac95d09840142dc9f48fec17ed7
PDF
Publication page6e52d7a0041b5eec17cb7e4ade4532695f14fbdc778da97be82922a808c93364
Manifestc8cb9391203a111572c11c8343b7e73ba19ed4c72fe4082d7b8b4e3520b4c480

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
SignatureajqLXYmZZmkk4LAG9js/BwRFapLmeywgZuMQZhVDdoyQVAthZGv4LgpL+/veqi8w4XP2lfGJCprXGZ6GaVyeCA==
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

2026-09-17T10:28:19.201427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069653
observed 6e52d7a0041b5eec17cb7e4ade453269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.183004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069653/manifest.json
observed c8cb9391203a111572c11c8343b7e73b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.167370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069653/publication.md
observed 64b0b00c0fd3e9ae4e46f5416c762110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.150732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069653/publication.txt
observed 4d8fc88310a50b1ca36eb88d3438e640...
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.