OpenTechnical

OT-2026-000009854

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, 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-2026-000009854) never changes.

Identity and time

Publication numberOT-2026-000009854 · never reused
Internal UUID01a0ae6b-cb78-79fe-8ad0-68b3c7b2d554 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009854
StatusPUBLIC

Content hashes

Canonical textf5ef543b8dd25aa698a4fead2e3769ab36ba464e8a0031dd19bc12dc3f750979
Markdownf0ab8a294a1c483d84f3fbfd873509a18538f1a448529ad4ab177a10e9c882b7
PDF
Publication pagea17f33f119e01866dccd7a19de231255f802b7536df99f27dc3f90496d55a1bf
Manifestc4961fee5eed4a61e1156b47fba6452292a0dfd6eb7eb4ee38e43f0cd6d051f1

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
Signature1//x6ZdAx5rXT2/tWApvARq6JTLrI2yUP+Wj4YdVwO4ndX345dyYdzv64lo1qjOVRa2bqB9mUfXES31QmdJBBg==
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

2026-09-17T12:15:51.172443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009854
observed a17f33f119e01866dccd7a19de231255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:51.150038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009854/manifest.json
observed c4961fee5eed4a61e1156b47fba64522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:51.127816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009854/publication.md
observed f0ab8a294a1c483d84f3fbfd873509a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:51.108284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009854/publication.txt
observed f5ef543b8dd25aa698a4fead2e3769ab...
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.