OpenTechnical

OT-2026-000049091

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000049091) never changes.

Identity and time

Publication numberOT-2026-000049091 · never reused
Internal UUID01a0ae81-134d-7be5-9d56-2a342e0e6f05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049091
StatusPUBLIC

Content hashes

Canonical text10e795e004e7b3e7c530feeb7d07233ff3e0a32d13631f270a2bffb8243bdbdd
Markdown374d62cb8dbf100c32d15435d562e7ff66fc43afb8f06451957285ae932b2f65
PDF
Publication pageb01c40c487b9fcd35b1d5769a34faa691c48e307515c6d4284f32fa21b9112aa
Manifest359c26b1431b8523ecfeb20eaa6e748bb927bd16f8850f371ef6974484ef685d

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
SignaturelPjJOk+JBM1uN3Qj594SsBabko2qs4+NP3nODKQqc29hTJdAHqPTcn3ynGk+l3DnBSaUm6MelncRzpcpQTA9Aw==
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

2026-09-17T11:03:20.317377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049091
observed b01c40c487b9fcd35b1d5769a34faa69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:20.290591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049091/manifest.json
observed 359c26b1431b8523ecfeb20eaa6e748b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:20.271843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049091/publication.md
observed 374d62cb8dbf100c32d15435d562e7ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:20.249644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049091/publication.txt
observed 10e795e004e7b3e7c530feeb7d07233f...
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.