OpenTechnical

OT-2026-000085701

Publication integrity record

Three cup vacuum gripper, three zone face, two 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-2026-000085701) never changes.

Identity and time

Publication numberOT-2026-000085701 · never reused
Internal UUID01a0ae99-aaae-7149-a924-c138b772cd18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085701
StatusPUBLIC

Content hashes

Canonical textbf98ad16442fdab8f1c26f548eb15216efa4e814329d22c2280903c86017081b
Markdownec645067f1ce5b752e1daba853194eb926bb6d344caada0902d93ff1a9261047
PDF
Publication pagea0e49f8044b6541a9117669451986d5dbc38d2bdd11e1a24ff54aa718a3b9148
Manifestd89c9fed16eb156c4d3f2c4c96065af035660f7a06bf2528543606448b993d84

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
SignaturepCpEN0nSOc2ye/pspr1j4uxQ+hcktWQaacJ18Saeu8jled7WQnN49PkOs5qkeyk9xU3ol+Q0AQiS45OYvVQ6Bg==
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

2026-09-17T09:54:36.323316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085701
observed a0e49f8044b6541a9117669451986d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.305964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085701/manifest.json
observed d89c9fed16eb156c4d3f2c4c96065af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.288210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085701/publication.md
observed ec645067f1ce5b752e1daba853194eb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.268810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085701/publication.txt
observed bf98ad16442fdab8f1c26f548eb15216...
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.