OpenTechnical

OT-2026-000086268

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, sustained 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-2026-000086268) never changes.

Identity and time

Publication numberOT-2026-000086268 · never reused
Internal UUID01a0ae9a-2c95-74a9-86e5-f8d8602a62ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086268
StatusPUBLIC

Content hashes

Canonical text2fe89817ef80db79fee18c430ec4cea3d9ee3b327ea8febd2d53e8e5a748bb93
Markdownc74c018cdd2844dabf3acd8a154ea8f3a93804673bac9f5d7b928e481c87b37f
PDF
Publication page5c07b27f98a319d18ca332f3c5bb1891b114cc3c8be2d1f0ca6551da16fea6f2
Manifest27f790dd02c2dde5aaaad6162a2f9056586814022c4f5126d04263d7ee9df512

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
SignatureSt4hczB2D+QNlXmvZftUtWWL4Fv2ZW9gtgIrx3BarRVOfw4aIPJe8WMINOtIrJrziLWHTexHZO0UNtLM6TSgBA==
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

2026-09-17T09:51:56.208287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086268
observed 5c07b27f98a319d18ca332f3c5bb1891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.191386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086268/manifest.json
observed 27f790dd02c2dde5aaaad6162a2f9056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.172739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086268/publication.md
observed c74c018cdd2844dabf3acd8a154ea8f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.157069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086268/publication.txt
observed 2fe89817ef80db79fee18c430ec4cea3...
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.