OpenTechnical

OT-2026-000057761

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line 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-2026-000057761) never changes.

Identity and time

Publication numberOT-2026-000057761 · never reused
Internal UUID01a0ae88-6ed7-7df3-ac65-fadc5e0f357a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057761
StatusPUBLIC

Content hashes

Canonical textc324cd18e4875382f2cf04060bc1d44f1da49bbfa4b0c86793a963e24b199386
Markdownbf34644b5c54d3e43dcae544fca69a25509bbd9b25f6509bff94f0d083f00458
PDF
Publication page591bcfce1eed2663c6eccc37b43857ca9dc3a14787150371f2dfe62b5fa67b92
Manifest742a752f93ef9a2b15685036b505734a9eec4375e587a9c7f0331d548c61fb6f

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
Signature16TWR6fx1MaplFbc4keacmnzzSpSdjkokz9P7vnpZW/Mnf5BAzqajW0/uBKas/iLKN/2Ry0WruumDKBoirctBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:18.431034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057761
observed 591bcfce1eed2663c6eccc37b43857ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.413674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057761/manifest.json
observed 742a752f93ef9a2b15685036b505734a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.396080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057761/publication.md
observed bf34644b5c54d3e43dcae544fca69a25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.377428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057761/publication.txt
observed c324cd18e4875382f2cf04060bc1d44f...
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.