OpenTechnical

OT-2026-000071397

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump 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-2026-000071397) never changes.

Identity and time

Publication numberOT-2026-000071397 · never reused
Internal UUID01a0ae91-e0ed-76b3-adba-1beeb9e19d70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071397
StatusPUBLIC

Content hashes

Canonical texte077986ad22d5e2f27c1c76b1e8afb27f24ea63653bab5c3c1467bfd7a4e808c
Markdown90afec645904f9dfc9f323cb88c659f4187ed7492d209ebdfc559a03811c092d
PDF
Publication pageb1908c32546a434c4aca705a015f526d6c602cc529d1eda895b20ba19b2afb5b
Manifestad96cb6b246a8c955484c9b708acab4febf8aae91e0e7903d718ab3299725abd

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
SignaturenxHNy2mNUeAU8UiGVVQ3TulghcYGYRVFRNH5gzO8VKh6ge/NcmwmvVV9zR2YwuYpEDMrlTUz1bT4Qj9kSGJeAQ==
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

2026-09-17T10:25:01.262364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071397
observed b1908c32546a434c4aca705a015f526d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:01.246717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071397/manifest.json
observed ad96cb6b246a8c955484c9b708acab4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:01.229387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071397/publication.md
observed 90afec645904f9dfc9f323cb88c659f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:01.211050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071397/publication.txt
observed e077986ad22d5e2f27c1c76b1e8afb27...
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.