OpenTechnical

OT-2026-000057153

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000057153) never changes.

Identity and time

Publication numberOT-2026-000057153 · never reused
Internal UUID01a0ae87-d5b9-7d20-8cf9-732602903725 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057153
StatusPUBLIC

Content hashes

Canonical text08d219f6a0ed289704f9920e855f90384d5b1317df579d7703c3c00a9045ca3c
Markdown6e3c49a9f7a8df52fce3aaa453e1489788b62d53eabe14e3f1f64ac1db4a5b57
PDF
Publication page94eb9fa48407388603bc4137c3583ae8e214f3d8c2439f559be4c939b574fcaf
Manifest0fc1e18b08fa00a95b77127ae4e6a2a4fa9bbd851c18adad092d810939e70b36

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
SignatureDfmQ6agpgdj83xV63BHwg/zjkGXQii8bUtIVOSKbXKxy/uxUibknZ7j5A5kbiyrwW4Cplt5hoRuOdlGBVBPdBg==
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

2026-09-17T10:50:09.658329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057153
observed 94eb9fa48407388603bc4137c3583ae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.638980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057153/manifest.json
observed 0fc1e18b08fa00a95b77127ae4e6a2a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.620053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057153/publication.md
observed 6e3c49a9f7a8df52fce3aaa453e14897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.600426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057153/publication.txt
observed 08d219f6a0ed289704f9920e855f9038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.973095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057153
observed 94eb9fa48407388603bc4137c3583ae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.953526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057153/manifest.json
observed 0fc1e18b08fa00a95b77127ae4e6a2a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.935410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057153/publication.md
observed 6e3c49a9f7a8df52fce3aaa453e14897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.918101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057153/publication.txt
observed 08d219f6a0ed289704f9920e855f9038...
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.