OpenTechnical

OT-2026-000057961

Publication integrity record

Four cup vacuum gripper, four 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-2026-000057961) never changes.

Identity and time

Publication numberOT-2026-000057961 · never reused
Internal UUID01a0ae88-6ed9-737f-9ed8-a98e547f87e8 · 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-2026-000057961
StatusPUBLIC

Content hashes

Canonical text9b580423a3f055f9787e3db3af91a1c29e916052dccd58998b0f215a20f4e3d5
Markdowncfcd36255be554c5d274e33205c70e045f3a467080585fe20d5e58b2ac3f0cf0
PDF
Publication pagec1295cfd1da3329a0518475194a4e558875ff9e5ee307033d2fb8605a3cbd176
Manifeste3e1eaf5697deed9be6d5925b77532ae45a7a79faec642d429fc5334feb214c6

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
SignatureLJ6MaqFuWbnq0lS0bfS/+Kt20EY+ZuNlN0CXjVRD5HG8octZaP/M5CEtiGDOdx2TWq3Emmz5OQ1h6ug/OEQTBQ==
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

2026-09-17T10:47:34.835112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057961
observed c1295cfd1da3329a0518475194a4e558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.815400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057961/manifest.json
observed e3e1eaf5697deed9be6d5925b77532ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.797516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057961/publication.md
observed cfcd36255be554c5d274e33205c70e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.777566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057961/publication.txt
observed 9b580423a3f055f9787e3db3af91a1c2...
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.