OpenTechnical

OT-2026-000086576

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000086576) never changes.

Identity and time

Publication numberOT-2026-000086576 · never reused
Internal UUID01a0ae9a-2c98-7ef1-97eb-57b98ed69d00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086576
StatusPUBLIC

Content hashes

Canonical text21ad70f450c000d8a3c026f54034db0a2db2de9a5f515fe6eff7124c5a18c162
Markdown4fc4d13b3b4be83246fc6ef43c6a8dfcf076660a50e9f288d5b64a98cdacc97d
PDF
Publication page8ffaa506a1d0c48e1eefd09a4ded35fdc7d7dfc045516dde46d9b093b930a869
Manifest27886e5714254f4f720eb15966503d771550fa36842c97b8746e476497ba7e5d

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
SignatureOq8vKtlqcVqJXAEgmG+29UWlCBmvNTwFVB3Ch3F9ZaXouiUZKWtiBPg2vjoOHZ/0j/7yD6SxIn+PW5IcYUFYBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:24.746573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086576
observed 8ffaa506a1d0c48e1eefd09a4ded35fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:24.726759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086576/manifest.json
observed 27886e5714254f4f720eb15966503d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:24.707479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086576/publication.md
observed 4fc4d13b3b4be83246fc6ef43c6a8dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:24.689734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086576/publication.txt
observed 21ad70f450c000d8a3c026f54034db0a...
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.