OpenTechnical

OT-2026-000057265

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000057265) never changes.

Identity and time

Publication numberOT-2026-000057265 · never reused
Internal UUID01a0ae87-d5bb-7a3f-980e-50635b3f70e6 · 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-2026-000057265
StatusPUBLIC

Content hashes

Canonical text1bde28736a44cbe320d493f2490161d8caa801973e7217286425d692ae7be4dc
Markdownbb2a9134bbaee23cacdaed14a2d71387c6644f32f705eb843d20951116cf3999
PDF
Publication pagea265b2e53586af93cc42cd02cd830e19695bcfbfc854d285882cc99d752a9065
Manifest20ab45a44d18b8f10af3a45f7207d09e2a25065dff350c433dc1b13c4d75af8d

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
SignatureZIAZj9wWwE/87Sjjonib49VhmJjLvsGWPxrUuH06DY5fHSvgHuhNMybkQTpeIDQrUQFjcq7yDfetZIq9bKXwAQ==
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

2026-09-17T10:50:20.223990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057265
observed a265b2e53586af93cc42cd02cd830e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.207771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057265/manifest.json
observed 20ab45a44d18b8f10af3a45f7207d09e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.187110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057265/publication.md
observed bb2a9134bbaee23cacdaed14a2d71387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.164921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057265/publication.txt
observed 1bde28736a44cbe320d493f2490161d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:30.876991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057265
observed a265b2e53586af93cc42cd02cd830e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:30.858318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057265/manifest.json
observed 20ab45a44d18b8f10af3a45f7207d09e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:30.841564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057265/publication.md
observed bb2a9134bbaee23cacdaed14a2d71387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:30.824084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057265/publication.txt
observed 1bde28736a44cbe320d493f2490161d8...
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.