OpenTechnical

OT-2026-000080911

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000080911) never changes.

Identity and time

Publication numberOT-2026-000080911 · never reused
Internal UUID01a0ae96-b975-7846-a00b-f9f746eb5cc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080911
StatusPUBLIC

Content hashes

Canonical text03b3b3b31a5bb6feb74124082b1615ec0a77b2866f7a2aae1dad2171d2c9be2a
Markdownc8aca2af57d9e8d2197fb99152359e98b372bb67f3d1b8cd855389ae23e377b4
PDF
Publication page07e88dd16cdae3dcd4bc24405fd17511c171a9430ab82744a19a2c0bf33473eb
Manifest0c1e67f00211c1191c745a076dfeb5a46b6e8ed5a34d8d98f31ebf536bdf13d0

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
Signature1/q4w0Hw4EijUPr5Cfdn654eHTFDyTuZkD9+cpk2HSiJFQYmiwi2D+qP+WNEKW33GGIKG+rWWY3jtdY2ZQPEDw==
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

2026-09-17T10:02:06.812566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080911
observed 07e88dd16cdae3dcd4bc24405fd17511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.793543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080911/manifest.json
observed 0c1e67f00211c1191c745a076dfeb5a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.775929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080911/publication.md
observed c8aca2af57d9e8d2197fb99152359e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.756435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080911/publication.txt
observed 03b3b3b31a5bb6feb74124082b1615ec...
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.