OpenTechnical

OT-2026-000045579

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000045579) never changes.

Identity and time

Publication numberOT-2026-000045579 · never reused
Internal UUID01a0ae7d-8f02-79b4-8364-d80b3495ac24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045579
StatusPUBLIC

Content hashes

Canonical textd0ed73b99a96130fc46f0f48a7cd040df27608eefa2824acc29bd3b9048028be
Markdown67568c9864ea19add26c9f7fbe07861f21890ee3d4b17d9c4a95ec20c58c07f8
PDF
Publication page55eea6b774dbb1ab92d7b66862b37c8710827e43ba4b1a0fa1ba2aad89337afc
Manifest1a2070d07abac2d7c9aee07a39aaddfad4612e2a9ba9e5b927a61ed00746dff0

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
SignaturePheWDhNRO3TYf7rO0AVwBtMgXE//L/rKR0/cbo7omIWr8Z6EXyQ2djJQ7NcjsclkS4qq5pciAk4OB8R0RgvMBA==
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

2026-09-17T11:09:20.610282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045579
observed 55eea6b774dbb1ab92d7b66862b37c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.591973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045579/manifest.json
observed 1a2070d07abac2d7c9aee07a39aaddfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.570978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045579/publication.md
observed 67568c9864ea19add26c9f7fbe07861f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.549838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045579/publication.txt
observed d0ed73b99a96130fc46f0f48a7cd040d...
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.