OpenTechnical

OT-2026-000042671

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000042671) never changes.

Identity and time

Publication numberOT-2026-000042671 · never reused
Internal UUID01a0ae7a-c0cf-7e16-a431-003ec9de81af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042671
StatusPUBLIC

Content hashes

Canonical textd142d53b48b60e73d152d3ec6f7496f1f6c7dc257952c82171eadef2bdbdb929
Markdown4aaa07652fa6365c1634816ba6912871b31819223ee16297b2b882eebe9f6145
PDF
Publication page19b796b55b07765a085cfa7ccafea828a2e59a047c02b208476199e0340551b5
Manifest88d106134d32fa9b0de53185f884837dab2b2b6e5193753f21535572cb9a659b

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
SignatureYR6UeyLnXziyZ9uunALEuYOgvCRNIz/kzTaiC4UT2RRlwAe09sZKU2uvgNEu+cTtEAZQsEb5tA+gRLANJzz6AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:01.182093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042671
observed 19b796b55b07765a085cfa7ccafea828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:01.160981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042671/manifest.json
observed 88d106134d32fa9b0de53185f884837d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:01.141442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042671/publication.md
observed 4aaa07652fa6365c1634816ba6912871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:01.123252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042671/publication.txt
observed d142d53b48b60e73d152d3ec6f7496f1...
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.