OpenTechnical

OT-2026-000040657

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000040657) never changes.

Identity and time

Publication numberOT-2026-000040657 · never reused
Internal UUID01a0ae79-6d0e-7a2c-9c8d-e5cc5424d5ab · 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-2026-000040657
StatusPUBLIC

Content hashes

Canonical textc22e6b558542aa9accf5d6a9fe410adea578945358b990aec593aeb625d50d37
Markdowne1df0b76ab6fd7c669f468687b1111cd7ff264cfa616c3930374d2352418159f
PDF
Publication page7580a88daa7233e37549c3fe7fba62222418bcd2c50fb82203407787473c74db
Manifestf51df2d0df876ef7a1494cb2e9fca75c9d05f41921a6ebc3f4a53e78b6c8126e

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
SignatureREv7cy2vCJSzU4T3rzAugXhEXHY6tMw07K4E0VDOp5ggNrle4UELz8U09SXsSphJJvMxGrzFvlYsIODSZcObAQ==
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

2026-09-17T11:17:50.782262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040657
observed 7580a88daa7233e37549c3fe7fba6222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:50.763523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040657/manifest.json
observed f51df2d0df876ef7a1494cb2e9fca75c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:50.746816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040657/publication.md
observed e1df0b76ab6fd7c669f468687b1111cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:50.729833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040657/publication.txt
observed c22e6b558542aa9accf5d6a9fe410ade...
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.