OpenTechnical

OT-2026-000072613

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000072613) never changes.

Identity and time

Publication numberOT-2026-000072613 · never reused
Internal UUID01a0ae92-89d9-75f0-9f47-6e9855206b2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072613
StatusPUBLIC

Content hashes

Canonical text0835b0b116ee2d2e7d623919c80d2378b69fecbc077e376266c8f2ccf0b4ff6f
Markdowncfe9bb90db670ea6ab4ae7be75af0a33bd1c4d1beb9cd945e7654b02fdfd06f3
PDF
Publication pageee227c975d521cce3787469f5d3b97afd52e80eecbfb974b6c2bcd66df735cc5
Manifest0ca2c463be4bb829cfa6753f0a0730c8661636868e6e1ce1e25e95d6a9281ea0

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
Signature6nXEhuRcYy2D118m51armfREUP7tpJGz/+Ftq4fqtzN5y/pEzl4EULyhYM8mnIv0X7aPTx2lO/StlrmUH8S6Bg==
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

2026-09-17T10:22:27.776901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072613
observed ee227c975d521cce3787469f5d3b97af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:27.758383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072613/manifest.json
observed 0ca2c463be4bb829cfa6753f0a0730c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:27.715550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072613/publication.md
observed cfe9bb90db670ea6ab4ae7be75af0a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:27.674609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072613/publication.txt
observed 0835b0b116ee2d2e7d623919c80d2378...
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.