OpenTechnical

OT-2026-000031563

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pulsed blow-off before set-down

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-2026-000031563) never changes.

Identity and time

Publication numberOT-2026-000031563 · never reused
Internal UUID01a0ae74-87af-7fee-a1a1-2837435799d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031563
StatusPUBLIC

Content hashes

Canonical textedb72c0c254538b05dcc27e5ca369d1f6cd9141c00c0189234b432c60e3fb685
Markdown8ee99681d84dae8ab34fd1c02c1b62f261967f63d808ca856a241b30f81e6041
PDF
Publication page2a7fa27bf3039b55b1eaf1e4d127a9fb749626cc7d2417fe52786441a110ed0b
Manifest75d5841a6499edd0a5b105fa146821ccca581079ca83f9aad12f3afba0e935ec

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
Signature+yuXNev5PiItUZPjTLN3LQwpWUs4OiYdTc/I5GMC9v2zfC1kiKPLAXwYwwXJNUoxz9mgM577SHwf2mzEhbN4Cw==
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

2026-09-17T11:36:24.672434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031563
observed 2a7fa27bf3039b55b1eaf1e4d127a9fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:24.654468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031563/manifest.json
observed 75d5841a6499edd0a5b105fa146821cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:24.634471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031563/publication.md
observed 8ee99681d84dae8ab34fd1c02c1b62f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:24.609448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031563/publication.txt
observed edb72c0c254538b05dcc27e5ca369d1f...
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.