OpenTechnical

OT-2026-000009779

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000009779) never changes.

Identity and time

Publication numberOT-2026-000009779 · never reused
Internal UUID01a0ae6b-7565-74a3-8ce6-228c7c17887d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009779
StatusPUBLIC

Content hashes

Canonical text1a4b1047b186cd6727184447914d100dd0bbc3942b4b56f0022d127aae623f64
Markdown7d5cf39c4a987ab1d477171493a8b80292ca23930ef5581cfbd9003438ef9f22
PDF
Publication pagef378959f6f8a06cca3f24c44cd02e95406acf1f1a5edb29bd519d8fb1bab0ade
Manifest2cfa75cde852e75e64efc8ad6ae2b3866d3e2feea07bfbe48792515a4f17095f

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
Signature25oQLWHn8bl7gyoR0OTMVmEUEfdkYRWBpZqbjXLSScyY1RvpHg6ucuPrxZOL1WNO0TKSapKgmQ2iSGl9wCaIDw==
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

2026-09-17T12:17:17.572647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009779
observed f378959f6f8a06cca3f24c44cd02e954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.554388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009779/manifest.json
observed 2cfa75cde852e75e64efc8ad6ae2b386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.536223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009779/publication.md
observed 7d5cf39c4a987ab1d477171493a8b802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.516382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009779/publication.txt
observed 1a4b1047b186cd6727184447914d100d...
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.