OpenTechnical

OT-2026-000008047

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000008047) never changes.

Identity and time

Publication numberOT-2026-000008047 · never reused
Internal UUID01a0ae6a-908b-79f8-a575-0a0654fa5610 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008047
StatusPUBLIC

Content hashes

Canonical text388f76cf0602d528fb328fb46f723f2ae0e37d51ce09dc30c43224f1daf5f4cb
Markdowndf8537ded875b3244fb1bf59fbbd07e3cbef97fa95ef5cc431f4d0b7228c65c1
PDF
Publication page36e1f23eaf61453f59f860b2b02d805bf11ecaebc304a68ba4eec1e57455cccd
Manifestba28de4a725569f6c0eea731ba0bd494adeb9e3d2a04a18c0621d09921ed8ec7

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
SignaturekZ+WlaIkleG0V02XTCZ5Etz6mzrrRwAYha7H4bHdqsy0oPCn+lm+Ehmx2w64zuOlKpLuZN3LLasQ3dSBXaoICg==
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

2026-09-17T12:20:38.390627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008047
observed 36e1f23eaf61453f59f860b2b02d805b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.367704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008047/manifest.json
observed ba28de4a725569f6c0eea731ba0bd494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.344699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008047/publication.md
observed df8537ded875b3244fb1bf59fbbd07e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.311810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008047/publication.txt
observed 388f76cf0602d528fb328fb46f723f2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.294507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008047
observed 36e1f23eaf61453f59f860b2b02d805b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.278654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008047/manifest.json
observed ba28de4a725569f6c0eea731ba0bd494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.258338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008047/publication.md
observed df8537ded875b3244fb1bf59fbbd07e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.239675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008047/publication.txt
observed 388f76cf0602d528fb328fb46f723f2a...
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.