OpenTechnical

OT-2026-000081256

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000081256) never changes.

Identity and time

Publication numberOT-2026-000081256 · never reused
Internal UUID01a0ae96-f374-744a-b1d4-be4696725fb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081256
StatusPUBLIC

Content hashes

Canonical text82d12e9f811b332233e246d32aa4735e55e9e47db925de07bfb91ad896b397ed
Markdown76f5b97c3150b7aa024f86533bcb9b773b6d2f98b1e03004181fefe515bb054d
PDF
Publication pagec17a616612bcf60aa4726057998c07e2c99f3194b0d18fa9333e51ee679cadf5
Manifest3ea0dff15f18a57f398653f3f5367b96e14275a5d610b5f750a1e70c84fa891c

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
Signaturen5tn/QdROUpP9gOteuH+pJbnafb1aKguKTo1Cc0jZOlFvrpu2b/SEvw32YZ5GaUljyNHubvIUD1s42sR0yiFBA==
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

2026-09-17T10:01:21.045804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081256
observed c17a616612bcf60aa4726057998c07e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:21.025050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081256/manifest.json
observed 3ea0dff15f18a57f398653f3f5367b96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:21.002979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081256/publication.md
observed 76f5b97c3150b7aa024f86533bcb9b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:20.982065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081256/publication.txt
observed 82d12e9f811b332233e246d32aa4735e...
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.