OpenTechnical

OT-2026-000068546

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000068546) never changes.

Identity and time

Publication numberOT-2026-000068546 · never reused
Internal UUID01a0ae90-2482-744d-a4ee-c059efe0e1e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068546
StatusPUBLIC

Content hashes

Canonical text4b8b2a36f9e989349f84ec651022d2de435428c932f3f5e74feeb0104e9147e0
Markdownd8646da275d220c5184e58ee2e48b8e1bb937f848093f712570cb151f076f2cf
PDF
Publication page2cf5a3f28aa9b1b0f9076e1ada16f336aa0b15ceca1740ddc10f7553f3d9e47b
Manifestdc1fe68f28ea7e4c6e44e682a4014b35b82bce54c19c42a346fd735a02fed3a4

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
SignatureqTSHva/R6ZgM1hvTbbHd51hdRXI/pWoJPQRef1RCld7/dVThBUWVj7vXqJARTM9xQsXY4M+/2Sfk12DxZwRfDg==
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

2026-09-17T10:29:42.753673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068546
observed 2cf5a3f28aa9b1b0f9076e1ada16f336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.736838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068546/manifest.json
observed dc1fe68f28ea7e4c6e44e682a4014b35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.720056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068546/publication.md
observed d8646da275d220c5184e58ee2e48b8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.700052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068546/publication.txt
observed 4b8b2a36f9e989349f84ec651022d2de...
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.