OpenTechnical

OT-2026-000038000

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000038000) never changes.

Identity and time

Publication numberOT-2026-000038000 · never reused
Internal UUID01a0ae77-f88a-7c23-bf21-d8d930827c4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038000
StatusPUBLIC

Content hashes

Canonical textd87b740df4428f72adef2ab349bf0cfd6b05b686c3d0500e704e89e87caa6cff
Markdown2f455c3b663dda828a3ba7046a2a06396aa18dd954cc1fc8992601eda505240b
PDF
Publication pagefb0c0794b687c8f0f6acc4922578d54363966f4c124069bf605ffed972038902
Manifesteb3ebf00acfa9d9714481c574aa5859e4b6fc562c9f5833f11c79383e21c96af

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
Signature6T6yHaNpxKXyG/maeqP+RWDZ9CfxRrx8sjcRD1toVskcaAVEUfW/qqunQs3mcn18U9vwCkg9le2OOwLijlf1AQ==
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

2026-09-17T11:23:17.991878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038000
observed fb0c0794b687c8f0f6acc4922578d543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:17.971851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038000/manifest.json
observed eb3ebf00acfa9d9714481c574aa5859e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:17.950333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038000/publication.md
observed 2f455c3b663dda828a3ba7046a2a0639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:17.932559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038000/publication.txt
observed d87b740df4428f72adef2ab349bf0cfd...
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.