OpenTechnical

OT-2026-000077797

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000077797) never changes.

Identity and time

Publication numberOT-2026-000077797 · never reused
Internal UUID01a0ae95-2ed0-77ab-8280-21ef4605bd13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077797
StatusPUBLIC

Content hashes

Canonical text587ec6495ca51480e5ed106d3e0c6d4b77c09ec27b6cab06ae938b6c550f701e
Markdown3dec3c436f156cece0ce7dce085131d04ec2158b64cecb8ddbfde03239e6c9c9
PDF
Publication page813b29e3d439e2cd8ce25a15c5ce691268417c259da257504716fec116d20e1a
Manifest87d2b37d56779ed4541c94fd685bf4cb64541f42e6f02523149d643e4a72410d

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
Signaturec/CdP2qimZknH23qxo1v3uk0B3XlaHcgpNSzXF5I65XpGYb6xSZXRKu3BRb/nyny7FPMC4s29QzhN3CFcTnuBw==
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

2026-09-17T10:07:23.174500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077797
observed 813b29e3d439e2cd8ce25a15c5ce6912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.156153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077797/manifest.json
observed 87d2b37d56779ed4541c94fd685bf4cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.136439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077797/publication.md
observed 3dec3c436f156cece0ce7dce085131d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.065627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077797/publication.txt
observed 587ec6495ca51480e5ed106d3e0c6d4b...
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.