OpenTechnical

OT-2026-000009478

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000009478) never changes.

Identity and time

Publication numberOT-2026-000009478 · never reused
Internal UUID01a0ae6b-7562-7f3b-ae36-878ae309006d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009478
StatusPUBLIC

Content hashes

Canonical text0de71f80f1405be3e1f6e05a65efd3b6a8cb922c6174428ed1d7461469662dcb
Markdowne0c414447ca1fa0a141e660adc30b27511476f4100f886a31fddcc30b9635f60
PDF
Publication page578d78b028ab5524cd09d37e2731ab8a40d92b03da633bcb41a1f5d94875f15d
Manifestcea6759089a18f2bec1eb8118dc8ce09ff3680f7fdaf34d531ed9026504882bc

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
Signature34sU1Ei6d0txyxY1NuDBFNr8jFjfuBW6xlI+C7h1QNEkDFV/Alg/OcU8sAtndx7qy52nxBfFrIdufKapiX7aBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:52.408655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009478
observed 578d78b028ab5524cd09d37e2731ab8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.390369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009478/manifest.json
observed cea6759089a18f2bec1eb8118dc8ce09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.371396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009478/publication.md
observed e0c414447ca1fa0a141e660adc30b275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.352701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009478/publication.txt
observed 0de71f80f1405be3e1f6e05a65efd3b6...
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.