OpenTechnical

OT-2026-000079643

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000079643) never changes.

Identity and time

Publication numberOT-2026-000079643 · never reused
Internal UUID01a0ae96-0b92-7b29-9409-5241c6cda861 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079643
StatusPUBLIC

Content hashes

Canonical text4a7efcd1225f2f3bbc66140dbc81580ad809e7ce2b8d93c7ff3fe3bdfec42432
Markdown0dc64946663dba50f353aa890e49d06779c01e344152f2be8c08d9e60b563f5e
PDF
Publication paged2e295f16b44d8893c7e4d6ac36c5970688a821498f0052ae901f4024766c06a
Manifestf13bd052d7aecfe18936ed16184fc5539a20a47bfcf3aaf50251e24dc0552d5d

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
Signaturee/jNBIlQYLVbn3xY8+j+l1+sSZRs3a93IhSpDuE5e2OLluZNbIeAngajoSIGUcE2Ug2pEoWf9UHHU0bIyiBxBg==
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

2026-09-17T10:05:18.644064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079643
observed d2e295f16b44d8893c7e4d6ac36c5970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.624991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079643/manifest.json
observed f13bd052d7aecfe18936ed16184fc553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.608197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079643/publication.md
observed 0dc64946663dba50f353aa890e49d067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.591613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079643/publication.txt
observed 4a7efcd1225f2f3bbc66140dbc81580a...
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.