OpenTechnical

OT-2026-000033889

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000033889) never changes.

Identity and time

Publication numberOT-2026-000033889 · never reused
Internal UUID01a0ae75-a391-7b79-9015-a17da211fe68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033889
StatusPUBLIC

Content hashes

Canonical text24ab5f97519fb67b38a775f4f2d1998cc9fd860ea61068d0f0f47fc5a86d487b
Markdown241a837573ba50f93ddaf6ab6099266705ff58dc4a16e00b5ccae76a80165f91
PDF
Publication page30c463811404157f250d90449c0d427e1b4f9dc96ad3267e52074bda1662987a
Manifest713e61667bf190b3c53aec939f8a97dcdc61e69456831ed85d8bd424197436c4

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
SignatureQ8ln7JB7vB1LJ4Jw7Ohr0usYnp1dbd1tfTakZC85HI8ASQCayUkhypUWhy7f5qjB/pRZ2Ixm/Pk7KzIOxyzGBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:57.775828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033889
observed 30c463811404157f250d90449c0d427e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:57.758964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033889/manifest.json
observed 713e61667bf190b3c53aec939f8a97dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:57.740867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033889/publication.md
observed 241a837573ba50f93ddaf6ab60992667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:57.721143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033889/publication.txt
observed 24ab5f97519fb67b38a775f4f2d1998c...
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.