OpenTechnical

OT-2026-000079319

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000079319) never changes.

Identity and time

Publication numberOT-2026-000079319 · never reused
Internal UUID01a0ae96-0b90-73a5-9187-b49c2226252c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079319
StatusPUBLIC

Content hashes

Canonical text678de39ff5e87631f6ff965335416f5d9d86c30a0e4723dede489a539137a464
Markdown543238f65db525997da4b49e2f6da0441dd861867f68d1b55af87dd49c7dc599
PDF
Publication paged1a9672792bd7a70eb24277cbae783460d620b0595758ad1f7375d0811dd0646
Manifest090f3390106baff7b90e341b80ee6ef07a39c3f987ac35b962f2a7b87424eac4

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
SignatureQ06VUmbHnqyReIXIOqBduVvZjz9KbT/LoRiY1DNFsRFPU1nTIwStkqz0b8LZes1SI4VV3GzAVnThcSSn9MrbCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:55.857301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079319
observed d1a9672792bd7a70eb24277cbae78346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.839301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079319/manifest.json
observed 090f3390106baff7b90e341b80ee6ef0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.821273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079319/publication.md
observed 543238f65db525997da4b49e2f6da044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.803179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079319/publication.txt
observed 678de39ff5e87631f6ff965335416f5d...
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.