OpenTechnical

OT-2026-000056193

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000056193) never changes.

Identity and time

Publication numberOT-2026-000056193 · never reused
Internal UUID01a0ae87-4bd1-7879-82f8-d0bc10f267cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056193
StatusPUBLIC

Content hashes

Canonical text045408ce3c3eea7f725280e13079f6f0b8d729f75cfd33a184dbf266e6e84b13
Markdown2d8e68f2ee0fc9e2546716258870c36472fdc0d764fd2aa3943197a4acfcec5a
PDF
Publication pagebcaf79fe19cca5badb1a20ad3de466863b75d116472c18522eb306514d0a9b7e
Manifest46b254f0025388f22fed5aefd0ec97a8f0a07f4e274d650ffba3ef8c1f567587

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
Signature9Cd1efwiolzyGaMHE6QDroTFYR18R5BUShiJ3phIMnXV+mQKGghi0XLVLmfs/lzhFd2OYakC7agXTN5SLl0cDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:39.429904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056193
observed bcaf79fe19cca5badb1a20ad3de46686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:39.412435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056193/manifest.json
observed 46b254f0025388f22fed5aefd0ec97a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:39.394120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056193/publication.md
observed 2d8e68f2ee0fc9e2546716258870c364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:39.376712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056193/publication.txt
observed 045408ce3c3eea7f725280e13079f6f0...
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.