OpenTechnical

OT-2026-000070175

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000070175) never changes.

Identity and time

Publication numberOT-2026-000070175 · never reused
Internal UUID01a0ae91-1862-789a-b29f-7bdec335dedd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070175
StatusPUBLIC

Content hashes

Canonical textc63fcca84ab70da1f27c4cf0f7d2e08faf3f443b8356236361c8c9f8cc2078ec
Markdowne4465a156057781a1037b00cdc0a9c1de29d988b6581e3ff50f893e136b1ba4c
PDF
Publication pagec6f31ebf3507d6dc3319d6869764aa12007620b3fd71fcae17e38126aa91b46d
Manifestf9b0d253e845cad5beb2c3ac7f533d83537ab3f4e225fdb97b451eecac78c819

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
Signaturek3YF9FmLKTv6xrHCZdISZ0GFvMamTKxBmISPn6iB9wrZhQTSnfIuKaobq865xNLzYfDbHB7Nbge/XOOqdmNuBw==
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

2026-09-17T10:27:13.627925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070175
observed c6f31ebf3507d6dc3319d6869764aa12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.610260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070175/manifest.json
observed f9b0d253e845cad5beb2c3ac7f533d83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.592109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070175/publication.md
observed e4465a156057781a1037b00cdc0a9c1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.573980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070175/publication.txt
observed c63fcca84ab70da1f27c4cf0f7d2e08f...
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.