OpenTechnical

OT-2026-000080552

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented after set-down, on a tool changer

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-2026-000080552) never changes.

Identity and time

Publication numberOT-2026-000080552 · never reused
Internal UUID01a0ae96-7e79-7258-87db-adfc01e9ff0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080552
StatusPUBLIC

Content hashes

Canonical text269f31e14c7365090252ff5f251f29263cfb4178d60d1e35cdb2fdfe65e0c196
Markdown58627d567ad2e935fa7c68b86fdc1f54d4d5cb81320c955fbfe2598ee9ba17d2
PDF
Publication pagef6ba0cad5e1dab2164b1d5a494c57d3c7c07248a14a61657a2919e5c6729ccc0
Manifest615a7559c94f0ca4631293654cd0abfd80c5de8990c6076de2ab16f528c62730

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
Signaturei6nLd89Tz+mHmTTkoEILQ2VXfztScNST4I3YigVZ9L8Nua9rADfVWC66gOrwQrN1bcdHgY+pUCuG5CIml0vPAA==
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

2026-09-17T10:03:10.853960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080552
observed f6ba0cad5e1dab2164b1d5a494c57d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.836285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080552/manifest.json
observed 615a7559c94f0ca4631293654cd0abfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.817873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080552/publication.md
observed 58627d567ad2e935fa7c68b86fdc1f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.798223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080552/publication.txt
observed 269f31e14c7365090252ff5f251f2926...
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.