OpenTechnical

OT-2026-000084111

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, sustained blow-off before set-down

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-2026-000084111) never changes.

Identity and time

Publication numberOT-2026-000084111 · never reused
Internal UUID01a0ae98-5b5f-7a56-b284-c38bb5dfd16c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084111
StatusPUBLIC

Content hashes

Canonical text56fcd76e73e3c361eb1cce8ad61ee4df27bc3ba41a2bd1e11548f30da8794f16
Markdown7a3bf9aa4b401f2dda54b6ed4678cf0709329c187151de20875d39ca61eb2f0c
PDF
Publication page63c0bc779ef7a432d32f3b3254cc32b2530915d628594985661bfaf2afe55809
Manifestb1ca4e5e533d2523c1a979abe9d9aa21e2521ce87465260ede3728c92355badb

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
SignatureSuiEPsWhcIQpO6v9XWGtxhmxyFT9gKImpZrdWoxlf97fru+we0C4lh9PsoycQPnd5HHGn9mPVb0h0weVDnabDg==
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

2026-09-17T09:55:52.094673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084111
observed 63c0bc779ef7a432d32f3b3254cc32b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.075505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084111/manifest.json
observed b1ca4e5e533d2523c1a979abe9d9aa21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.056942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084111/publication.md
observed 7a3bf9aa4b401f2dda54b6ed4678cf07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.039717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084111/publication.txt
observed 56fcd76e73e3c361eb1cce8ad61ee4df...
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.