OpenTechnical

OT-2026-000008819

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000008819) never changes.

Identity and time

Publication numberOT-2026-000008819 · never reused
Internal UUID01a0ae6b-31b6-72ea-8181-cb130922bfcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008819
StatusPUBLIC

Content hashes

Canonical textb37239021857e6181ba53eb4ebc78ee2fa9d494d726434d59b28470a7102097f
Markdown1d9777a5a6c63c2657f2e65a3e906e3e38ce78a94798ebf04440637e42bcb352
PDF
Publication page09fcf9c56cb79928744e3ba93378e4e7909ca866eb1282d870dade00e409994c
Manifestd3f57b26e0b16baaa981c4cd59a6d354ef232992693ebeea90a7c498c68d6207

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
Signatureuy/NHYy0is2gJttKK0Iipnd9t7Fg7H2MaXwfJLIqWv+lWwNjPzUcySe+v/P71wIeS6UahhUVvBf8Enowujs8BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:22.687173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008819
observed 09fcf9c56cb79928744e3ba93378e4e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:22.666175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008819/manifest.json
observed d3f57b26e0b16baaa981c4cd59a6d354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:22.647195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008819/publication.md
observed 1d9777a5a6c63c2657f2e65a3e906e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:22.622227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008819/publication.txt
observed b37239021857e6181ba53eb4ebc78ee2...
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.