OpenTechnical

OT-2026-000057634

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold 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-2026-000057634) never changes.

Identity and time

Publication numberOT-2026-000057634 · never reused
Internal UUID01a0ae88-2694-72c7-aa16-58206ab2cb2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057634
StatusPUBLIC

Content hashes

Canonical textb52b12a6e8e14bc7063d3a3251416783537e2efbf68778902b6628e05c2d1449
Markdown994bd194699c43daab23191ae30d5dc8969d3fd7d727cc25e89273661ac7003c
PDF
Publication page6cc89810471f10efdaec77d3ec190e5b2b8be22477e57630336e058681e3f584
Manifest249757290fd438d2bb742909bda00fcc4297070ec344eab4e55eb0af34b0b344

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
SignaturePONnbha8YnhjEdLPSlUYSsmygP+E1eP2cI4KYMGurRzl+xNGDPmOoobr/W9k2aMlEEcTo8C0oPCCt+vEtmltCg==
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

2026-09-17T10:48:11.782757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057634
observed 6cc89810471f10efdaec77d3ec190e5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:11.765656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057634/manifest.json
observed 249757290fd438d2bb742909bda00fcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:11.748229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057634/publication.md
observed 994bd194699c43daab23191ae30d5dc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:11.730604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057634/publication.txt
observed b52b12a6e8e14bc7063d3a3251416783...
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.