OpenTechnical

OT-2026-000054311

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000054311) never changes.

Identity and time

Publication numberOT-2026-000054311 · never reused
Internal UUID01a0ae85-b3a9-73c7-a640-9548287fcf65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054311
StatusPUBLIC

Content hashes

Canonical textd3ad02fb1c1b53cd5597b551c32ab6e02db05f3eac103a1e78e0eacb626d1206
Markdown03ac3abdbf8c3451ac5ff66baa98787e296832d4fa465118ab30eaa0731cf214
PDF
Publication pagec6e4c30032f68e3ad5c5464479239f91d9f26ce2c413e82de2d670e237841063
Manifest9aece847f9c362be291369235170ac5c1ad9123ac8235ad5cbbb128275a6eb08

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
SignatureBVfe6LzeSJ1eaJJPwunSK5SHeFgwdMfWJOy/rTeEEj5+S/9/bS0ohDtHAu7gUHH3pZCxry7p5lYeY3q2djXhBg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:49.037033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054311
observed c6e4c30032f68e3ad5c5464479239f91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.016459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054311/manifest.json
observed 9aece847f9c362be291369235170ac5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:48.997864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054311/publication.md
observed 03ac3abdbf8c3451ac5ff66baa98787e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:48.978450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054311/publication.txt
observed d3ad02fb1c1b53cd5597b551c32ab6e0...
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.