OpenTechnical

OT-2026-000098988

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000098988) never changes.

Identity and time

Publication numberOT-2026-000098988 · never reused
Internal UUID01a0aea2-8287-78c3-a16b-f6a5eb460bd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098988
StatusPUBLIC

Content hashes

Canonical text55a7f1038ce89009100fbb603f0f42892c44713891b58f3dfbf671ce6475224b
Markdownaafdd156ea8711afbfb2407da125101ce22ebddda3883d8505cc43a4137c43a7
PDF
Publication page0b98bc2074257c1391e1a248ab055e4d6b0bdda478b162a26893cc33dd85418e
Manifest74dcb1b14105574d2d0524b5ddc7d4743677e462597cac125573dddd70d48558

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
SignatureFtg6fU+guXePAbFx+bvie1bOTJZmSoWazUd+bL11lm1d+plLygC/r4qe6bK8GYZyQatUVS5ZxazUw38yO2u9CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:04.089399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098988
observed 0b98bc2074257c1391e1a248ab055e4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.073465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098988/manifest.json
observed 74dcb1b14105574d2d0524b5ddc7d474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.054396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098988/publication.md
observed aafdd156ea8711afbfb2407da125101c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.034726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098988/publication.txt
observed 55a7f1038ce89009100fbb603f0f4289...
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.