OpenTechnical

OT-2026-000008057

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000008057) never changes.

Identity and time

Publication numberOT-2026-000008057 · never reused
Internal UUID01a0ae6a-908b-7a2c-b056-fe0c37a2c694 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008057
StatusPUBLIC

Content hashes

Canonical text2549f19a6a61c22536e48c76c211b0c09f0e32c7eab672daa5327c18587ab53c
Markdownbbc139ab5da73585558a9a9848ec5666c62acdd00c350968a0c5c8a3c1deb705
PDF
Publication page90aac32ba7ed77200fa67dec883666c8ba3914b5bc3b404bd0786d5fdd829319
Manifestc9f163a77f35c2105a3da801130b2042129c6874e3389769dc7edbf5cecfa0bc

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
Signature0+F+yS/yLVRqa5IHUByrdks3cAore8VSFDvLgoR/NYOULFUZvDXpOQtysUH1RAr+yqhiUhuMZV2LkNBpS+9zBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:39.166250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008057
observed 90aac32ba7ed77200fa67dec883666c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.150647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008057/manifest.json
observed c9f163a77f35c2105a3da801130b2042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.132200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008057/publication.md
observed bbc139ab5da73585558a9a9848ec5666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.114721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008057/publication.txt
observed 2549f19a6a61c22536e48c76c211b0c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.098411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008057
observed 90aac32ba7ed77200fa67dec883666c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.080603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008057/manifest.json
observed c9f163a77f35c2105a3da801130b2042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.062208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008057/publication.md
observed bbc139ab5da73585558a9a9848ec5666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.043516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008057/publication.txt
observed 2549f19a6a61c22536e48c76c211b0c0...
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.