OpenTechnical

OT-2026-000049650

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000049650) never changes.

Identity and time

Publication numberOT-2026-000049650 · never reused
Internal UUID01a0ae81-8fee-70a7-a8ea-4ef951f75eb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049650
StatusPUBLIC

Content hashes

Canonical text81e44e971599b8b46f8fd585642061d8c708ee66ecb51fa1280132261fb7914b
Markdownd7b65916db48f3a2d46fdebdb095e2b170d60039007703d2ec7dc9911bdacf2e
PDF
Publication pageb0177b597d450a112ed3b6cff816f3b38ea483996fd923acfcb0935b7788f410
Manifest90ff5c2197f6d18d85d3b05fe996de5c2cedc21445eb48368745894ac803eaeb

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
SignatureHLT3ckM7BSHwta42wdJti00fopaiZ/IxOR4Tdi0F8QeM7QL8dwjD+8VphwV3MIqKTA+BM/pUnDWqY8B++aE1DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:38.894061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049650
observed b0177b597d450a112ed3b6cff816f3b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.874003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049650/manifest.json
observed 90ff5c2197f6d18d85d3b05fe996de5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.856376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049650/publication.md
observed d7b65916db48f3a2d46fdebdb095e2b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.838045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049650/publication.txt
observed 81e44e971599b8b46f8fd585642061d8...
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.