OpenTechnical

OT-2026-000101892

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000101892) never changes.

Identity and time

Publication numberOT-2026-000101892 · never reused
Internal UUID01a0aea4-50f0-7537-a6bb-e2aca7be5d65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101892
StatusPUBLIC

Content hashes

Canonical text9ebd46eebfd5661284d74079b6263fb2ef29feda7bb912f832cccfc72e31e12a
Markdown9a9bc34093c6dc90d7fd472dd49e99bc39344f013d6d60775be36fd7709186f6
PDF
Publication pageed77ee82b038624ba9c801f914e6db28c8a49fbacab3a4c79278104e868f9333
Manifestbe81c48dda8ebf0c36d3641f59086c646d01dabc06c4acdcd78fee9ba9da0029

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
SignatureSw1R9t3SUC0jAcvmBGuuua/+nwRxIKd72kvD1oRKvVF3mkOUyaYW91PDm17n7MHQhnawhCPCsU9xtc9Yl9x5Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:30.013885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101892
observed ed77ee82b038624ba9c801f914e6db28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.997120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101892/manifest.json
observed be81c48dda8ebf0c36d3641f59086c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.977749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101892/publication.md
observed 9a9bc34093c6dc90d7fd472dd49e99bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.960801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101892/publication.txt
observed 9ebd46eebfd5661284d74079b6263fb2...
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.