OpenTechnical

OT-2026-000084873

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000084873) never changes.

Identity and time

Publication numberOT-2026-000084873 · never reused
Internal UUID01a0ae99-43b4-70b4-b3e0-b0c41c024c8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084873
StatusPUBLIC

Content hashes

Canonical text2681b72d5bd8f950d80178c6fe141110e5373503cd4bf651284f602afb60aecf
Markdown5ebddc01c414cbfce0fb3171588ff91d6b5c09bd291d158813e25be4d1a8863f
PDF
Publication page72650fa99040fdf51d1d68a51be0028cd9f1558950de87c030435f5f7bced20c
Manifestae6a5485d7389abe16af3310197e6be9169872d100824f504b9a76a4404cbfad

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
SignatureZ4DlF04mNjXfOZpj2Z2afrJesGTuIYmTRZAe8//s4R0Qhm3TFDwLiC9H+moBVJ7ksDqlZzluugsMfmgV38I3Dg==
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

2026-09-17T09:54:50.575508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084873
observed 72650fa99040fdf51d1d68a51be0028c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:50.557734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084873/manifest.json
observed ae6a5485d7389abe16af3310197e6be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:50.538077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084873/publication.md
observed 5ebddc01c414cbfce0fb3171588ff91d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:50.518826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084873/publication.txt
observed 2681b72d5bd8f950d80178c6fe141110...
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.