OpenTechnical

OT-2026-000081677

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000081677) never changes.

Identity and time

Publication numberOT-2026-000081677 · never reused
Internal UUID01a0ae97-0f73-7e82-bc84-037189ca08b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081677
StatusPUBLIC

Content hashes

Canonical text3f675cfcd6ec4679d4990a5bef38e588a5892e5d14e3291cce2401d989a8436c
Markdown1ff9684e469ab123ee14f052c514a1f12bd562daefecd20563e14b3b68ecf5cf
PDF
Publication page9d55076eb3d41e9804d08bd8487c860306b97ed675b7c4be4ed68d44b54c2918
Manifest185758a1137e2d75b3c205e57df5198247165040dd6f83709224aa621a1b8b11

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
SignaturePm1iDyfPh18CxyHGSuRHrTjk83h3lj3rILBe+GoLDdtXsg+/1qtmCr7YseJe+/ijNCJpM+dMYz2w5c7isngXDw==
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

2026-09-17T09:59:44.350159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081677
observed 9d55076eb3d41e9804d08bd8487c8603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.330622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081677/manifest.json
observed 185758a1137e2d75b3c205e57df51982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.311429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081677/publication.md
observed 1ff9684e469ab123ee14f052c514a1f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.292563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081677/publication.txt
observed 3f675cfcd6ec4679d4990a5bef38e588...
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.