OpenTechnical

OT-2026-000072013

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000072013) never changes.

Identity and time

Publication numberOT-2026-000072013 · never reused
Internal UUID01a0ae92-47c0-7d10-bfd2-93cd5c3d3bb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072013
StatusPUBLIC

Content hashes

Canonical text7dfb9f3ef02c1d7088dc139d8f2bc21fd71ca9cb67b2164d246720c9871c3fe6
Markdown3914d0b9e0dc749c4850e921d406cc472e3e71ad206633dee29625bf96c5dfda
PDF
Publication pagec51b9da64a4a7625d9eccc4d5d1475ac800a77ec6ef23332e9ea41ec951c96e1
Manifest8bc568b144818cfe50f05f397799d396688beeec1e548af374e60b0d918ee0cf

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
Signature8/OHiFYkWR0jqJZYnV2qTbjR797oAkY7njsuTPM8KWmhGbY64Cqha7Yimw9AeeFXdNf2YeYTc4vhlUiiTAFJCw==
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

2026-09-17T10:23:04.486148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072013
observed c51b9da64a4a7625d9eccc4d5d1475ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.469270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072013/manifest.json
observed 8bc568b144818cfe50f05f397799d396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.453777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072013/publication.md
observed 3914d0b9e0dc749c4850e921d406cc47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.437098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072013/publication.txt
observed 7dfb9f3ef02c1d7088dc139d8f2bc21f...
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.