OpenTechnical

OT-2026-000086684

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000086684) never changes.

Identity and time

Publication numberOT-2026-000086684 · never reused
Internal UUID01a0ae9a-2c99-7049-82eb-8af81a8f2fc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086684
StatusPUBLIC

Content hashes

Canonical text16510c80a306e38737bc3a3561bb805ec1668ba65c75917b75d15b1b173d6d71
Markdownb277d58e466b01210fc4847176c05a8230ead303edb2a238fba05972bd453ae8
PDF
Publication pageef9e1e0a0b7e0c80b989d0b92a19b7696cf0afdd2df079bce906ad4f0f78173a
Manifestfb29b4b710eddb89c98a2c2a1d713d826aba395fec3b0e984c95ca450ae19427

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
SignatureQOKFrcy50U5DXk1aVUgcftc1slP0B7VGS458oDMpsdAKCmiEZwJT4O77sFrVUy5+PdXQC+2e4toi15aHZuSYCA==
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

2026-09-17T09:52:33.115313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086684
observed ef9e1e0a0b7e0c80b989d0b92a19b769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.096921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086684/manifest.json
observed fb29b4b710eddb89c98a2c2a1d713d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.078693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086684/publication.md
observed b277d58e466b01210fc4847176c05a82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.059809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086684/publication.txt
observed 16510c80a306e38737bc3a3561bb805e...
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.