OpenTechnical

OT-2026-000061835

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000061835) never changes.

Identity and time

Publication numberOT-2026-000061835 · never reused
Internal UUID01a0ae8b-b8ac-7ff2-9723-56b11d531d0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061835
StatusPUBLIC

Content hashes

Canonical text7b0782e62c7c2caf6c1b118834a3a597ef004ab13915c884214aa4dbd7425df9
Markdown6a8f4b755e58a247bfa27d7c6a919b85e78fc826965da2b22369d0353596280f
PDF
Publication page7658bb60fc931a9b65652ace4f66ad8b2885731e35edfaf00dc11d3c14a310d7
Manifest4308e478ad3db97888277153f24e559afd7f7921a1536c3cb1115bbbf94a4c84

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
SignaturePgTK4bz7ZWO6xjGJRifGVSn8IoY0KzTCJRZ07qNG0AQRTMasLWMReKvOHWyzmtvIcq8dVTEioq4Qdl3HIp/eCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:34.623209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061835
observed 7658bb60fc931a9b65652ace4f66ad8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.601741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061835/manifest.json
observed 4308e478ad3db97888277153f24e559a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.580920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061835/publication.md
observed 6a8f4b755e58a247bfa27d7c6a919b85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.559443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061835/publication.txt
observed 7b0782e62c7c2caf6c1b118834a3a597...
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.