OpenTechnical

OT-2026-000020359

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000020359) never changes.

Identity and time

Publication numberOT-2026-000020359 · never reused
Internal UUID01a0ae6f-437b-75cd-a0c0-593a5abdd976 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020359
StatusPUBLIC

Content hashes

Canonical textfac1cc9518484474e5bfd7a70d2f5d8618bef7370b20177022f7d5efabc089c1
Markdown9030b9b217b10535d1f0e17174e2bfb724ebbfc258205b26be7afdf948b765d9
PDF
Publication page21bdfb5ba7d2f2a735e37a896a4e6620d296dffdeedaa659ad9d930722d07ee7
Manifest2e69dcabb18a85838fc91c96df0dbbc0b4a301f03a831c50b2deaae4786da28e

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
SignatureZFrBGHcx9dozD2cheZBpAWZ1KGPuu91AjUzkgNigRu4OP/QOQjMKfjNtKCJ97VcLwoCQLZr97T9iTudEMb9eAQ==
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

2026-09-17T12:00:09.433532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020359
observed 21bdfb5ba7d2f2a735e37a896a4e6620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:09.399421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020359/manifest.json
observed 2e69dcabb18a85838fc91c96df0dbbc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:09.374325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020359/publication.md
observed 9030b9b217b10535d1f0e17174e2bfb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:09.348089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020359/publication.txt
observed fac1cc9518484474e5bfd7a70d2f5d86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:19.316319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020359
observed 21bdfb5ba7d2f2a735e37a896a4e6620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:19.298002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020359/manifest.json
observed 2e69dcabb18a85838fc91c96df0dbbc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:19.279613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020359/publication.md
observed 9030b9b217b10535d1f0e17174e2bfb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:19.262533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020359/publication.txt
observed fac1cc9518484474e5bfd7a70d2f5d86...
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.