OpenTechnical

OT-2026-000057837

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two 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-2026-000057837) never changes.

Identity and time

Publication numberOT-2026-000057837 · never reused
Internal UUID01a0ae88-6ed8-7ba4-a06f-2856a05db63e · 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-2026-000057837
StatusPUBLIC

Content hashes

Canonical textb8a169be86250add9e934ea2608984fee2113eb6067aa89bdd5b9ad63642c49f
Markdown650b7898e9bf56c8d4deebfb466df863cffac94a89967c791e76bd03c7cd2cec
PDF
Publication pageeb91518064bcba5ef973fe87a08c743a3e08005c8523e24d20c9d7f28ee28dcc
Manifestb7984d743519c46b613d8795bef5af529d4115f2af5767ea60832fb1a23b6e42

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
SignatureWzgowNgU2WgjUQTOMmlFhYGc1W6UoyWxgNR2pFRaIDrsVq9+QCIJ/+ShZSG/Iz6N8d0K7EfbPtphfnaPCKNLAA==
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

2026-09-17T10:47:24.794107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057837
observed eb91518064bcba5ef973fe87a08c743a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.774424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057837/manifest.json
observed b7984d743519c46b613d8795bef5af52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.756184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057837/publication.md
observed 650b7898e9bf56c8d4deebfb466df863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.739589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057837/publication.txt
observed b8a169be86250add9e934ea2608984fe...
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.