OpenTechnical

OT-2026-000040897

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump 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-2026-000040897) never changes.

Identity and time

Publication numberOT-2026-000040897 · never reused
Internal UUID01a0ae79-6d10-7226-8e07-e64428f90222 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040897
StatusPUBLIC

Content hashes

Canonical textf338b593dee516b5d329f02c773ac5bdf0e64ca58b6f7193dbe9899380662fb5
Markdownc9c2af7064c7168377f1fabe0a0afe19d874e8b1b4a72eec543bdd72e8f0f2a2
PDF
Publication pagea2a07997cc3531e3b9a87fd34d96b92d872c4762d3536432a97a3c669fce1517
Manifest53628f98ae3c4b2fdd533c796d36f3faf7c60494d10c3de8b29233af53dc0db4

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
SignatureQAr/5tGEDiZIifbP/Mq9DRISio3cG+5SVLfWDT0oz574zf6i/gOLw2eoHjrVHaaZ805o156TvpiXHmHT+j0+DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:15.777955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040897
observed a2a07997cc3531e3b9a87fd34d96b92d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:15.760091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040897/manifest.json
observed 53628f98ae3c4b2fdd533c796d36f3fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:15.741704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040897/publication.md
observed c9c2af7064c7168377f1fabe0a0afe19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:15.720023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040897/publication.txt
observed f338b593dee516b5d329f02c773ac5bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:41.812877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040897
observed a2a07997cc3531e3b9a87fd34d96b92d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:41.794507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040897/manifest.json
observed 53628f98ae3c4b2fdd533c796d36f3fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:41.772401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040897/publication.md
observed c9c2af7064c7168377f1fabe0a0afe19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:41.678351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040897/publication.txt
observed f338b593dee516b5d329f02c773ac5bd...
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.