OpenTechnical

OT-2026-000074878

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, vented before 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-2026-000074878) never changes.

Identity and time

Publication numberOT-2026-000074878 · never reused
Internal UUID01a0ae93-ac2c-72ca-b028-ef622b06d22c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074878
StatusPUBLIC

Content hashes

Canonical textc23424804f7e8d8881abcdd181c67d143884148e347b9e18d354392d141bb5dd
Markdownbce00050c4286bb8010c776973d8f21f4a6134c4adc951ab2480c9c23b2b6f73
PDF
Publication page012523843aa592fea210e7139d68727cd6992d54723498add66417b8de0f20ff
Manifest78e51acb2fa7a8424522c82bc2bfe4fa570121c032caa452a7f314115381e2d9

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
SignatureN0IFtTEtjAwANJ2X6rvMq9z7A3qnuxMH+ncSU+3HL01O/Oasn/XwXNXaKNtuR7oOot5QqnNf2TBMBlOhX6xtDQ==
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

2026-09-17T10:18:35.939569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074878
observed 012523843aa592fea210e7139d68727c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:35.921544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074878/manifest.json
observed 78e51acb2fa7a8424522c82bc2bfe4fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:35.903232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074878/publication.md
observed bce00050c4286bb8010c776973d8f21f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:35.884705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074878/publication.txt
observed c23424804f7e8d8881abcdd181c67d14...
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.