OpenTechnical

OT-2026-000079969

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, sustained 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-2026-000079969) never changes.

Identity and time

Publication numberOT-2026-000079969 · never reused
Internal UUID01a0ae96-4377-7850-b63f-f4ae8e5e2018 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079969
StatusPUBLIC

Content hashes

Canonical text74e3615578b733f9d8fb6742aabb9b2b60c8fc953ccbc62b58f78034a88d477a
Markdown5ba40d3526adacd49dfd9c6121b640edee8fe9707079d9af4e86149532535aae
PDF
Publication page15d18852949538e6fed3bc3b59d46d4e1607ffe7a5cc940addbcad38d97af144
Manifest3ad997e6b6e26f690ea66a9d712ed4f6c9c3bdb327719f1cf43638f8df625a87

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
SignatureM1C7rdEfKWD+Ss38iPio9Gna2pPUVR3QT5n23AC+44GG7yQA2yw1QoSEl400aPRmW6beRBDYiz5IZcm4pzQ9Cw==
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

2026-09-17T10:03:52.944603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079969
observed 15d18852949538e6fed3bc3b59d46d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:52.919024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079969/manifest.json
observed 3ad997e6b6e26f690ea66a9d712ed4f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:52.898625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079969/publication.md
observed 5ba40d3526adacd49dfd9c6121b640ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:52.789690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079969/publication.txt
observed 74e3615578b733f9d8fb6742aabb9b2b...
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.