OpenTechnical

OT-2026-000057248

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000057248) never changes.

Identity and time

Publication numberOT-2026-000057248 · never reused
Internal UUID01a0ae87-d5bb-7f88-b5e4-d31b14e0dc03 · 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-2026-000057248
StatusPUBLIC

Content hashes

Canonical textb0c22c247ef566b5104f3e753e6129784cf01ea47385d9f606f1e779ed639b9b
Markdown41604c985af3940c689e4ef14c0109a88ae4e0e7220c3c75128822dd7ec793d0
PDF
Publication page6ea8644fd0c99c30db5c6e360f2fb8d6c8348a89b8f152c9feb492161941ce24
Manifest13a46e21fc9560e17f40c7e31b24506e06b8682db65484cfff1c6387165b64b7

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
SignaturenkVV/h7IqRtM6jYnLfOBmFyjrMzpgLy8urs1iF7LBRDMy7me2cqUoFKTGLW9v4N3EC3cgXc0tg3KygScIjE+Dg==
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

2026-09-17T10:50:18.907837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057248
observed 6ea8644fd0c99c30db5c6e360f2fb8d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.889453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057248/manifest.json
observed 13a46e21fc9560e17f40c7e31b24506e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.870235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057248/publication.md
observed 41604c985af3940c689e4ef14c0109a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.852412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057248/publication.txt
observed b0c22c247ef566b5104f3e753e612978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.511539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057248
observed 6ea8644fd0c99c30db5c6e360f2fb8d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.493438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057248/manifest.json
observed 13a46e21fc9560e17f40c7e31b24506e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.474398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057248/publication.md
observed 41604c985af3940c689e4ef14c0109a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.458241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057248/publication.txt
observed b0c22c247ef566b5104f3e753e612978...
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.