OpenTechnical

OT-2026-000079267

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000079267) never changes.

Identity and time

Publication numberOT-2026-000079267 · never reused
Internal UUID01a0ae96-0b90-771c-945d-8a3d315de57d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079267
StatusPUBLIC

Content hashes

Canonical text2a3ee7bb45c02adf706ae2e43eee7865d481c1135ebeba7793b990bd5d4ce021
Markdown2d3de524c8ed93459d1b4cfbb28210bfb6f74a9a725257c513af623cc6dafc7b
PDF
Publication page2fca159fe8bc641a7f0bba1913b13a7c22cfa171063800a8bd2ffcd0ef323808
Manifestaea1b8f3600d4c91ce422a5046d56141108d8a428161dd59198edd36650b66eb

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
SignaturetKdI/biIhqOXm0d2R6JodyJ6dnv3iQ2Cpt0ByhPRZCc8uCYcB6uIydNs2prTCbnZn4UByEVJ770qdAVC/M+iBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:52.189162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079267
observed 2fca159fe8bc641a7f0bba1913b13a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:52.170138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079267/manifest.json
observed aea1b8f3600d4c91ce422a5046d56141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:52.149788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079267/publication.md
observed 2d3de524c8ed93459d1b4cfbb28210bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:52.130197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079267/publication.txt
observed 2a3ee7bb45c02adf706ae2e43eee7865...
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.