OpenTechnical

OT-2026-000080281

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000080281) never changes.

Identity and time

Publication numberOT-2026-000080281 · never reused
Internal UUID01a0ae96-7e77-7d98-a9ba-6f8e9bc2b4fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080281
StatusPUBLIC

Content hashes

Canonical textd5a8829e34199f74c24bf0702bdd64dfdb1f84e399ccb8f9a41186cd5dc1b5be
Markdown17bbc3835a6a4ee9e7bdc9b9f130166be466800154bcbc87e0a140dacb45bc59
PDF
Publication page466c923c64fca2171b258324f3a5897e8a927b5580c86c047351c3bd9b586bdd
Manifestcbf827220fe4968b0aa5da38bbefaf7efd1727969207db7b079d3accb0f24310

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
SignatureDcVbaF2NSIReHUX4eKucINE9kdPbZKEd6CV8ARoWXprdFd1w0/bbKv8uOvx6EFxeLZ+FL3Qr3FvJ7fZUDkPwAQ==
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

2026-09-17T10:02:34.052238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080281
observed 466c923c64fca2171b258324f3a5897e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:34.033623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080281/manifest.json
observed cbf827220fe4968b0aa5da38bbefaf7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:33.983923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080281/publication.md
observed 17bbc3835a6a4ee9e7bdc9b9f130166b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:33.936998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080281/publication.txt
observed d5a8829e34199f74c24bf0702bdd64df...
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.