OpenTechnical

OT-2026-000006395

Publication integrity record

Vacuum cup gripper, per zone isolation, six outlet manifold, pump fed, pressure verified, rubber cups

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-2026-000006395) never changes.

Identity and time

Publication numberOT-2026-000006395 · never reused
Internal UUID01a0a959-7c49-7bc0-b027-12ee1b736ab8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:33:29.164418Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006395
StatusPUBLIC

Content hashes

Canonical text70beb09ead43525d5483e0491e6691eaf076f89d86ee9292de510605db5b9bb7
Markdownee0dd643f604721429dc2c453a5e4cf000e676ff45182c89640e888e17e2eba5
PDF
Publication page5aca0100bfb6860c050a4e454bcac36afde7a61548732e224c9fd34c5883fab2
Manifest6462fbee19a9fca8bd1e01241a6645a974de435e030f1c8d0c6f78e8017f77f1

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
SignaturepMJmZbPT1b+Bl1qFAge5+hse+QL6bcq7SBCpLXG4rJz7coQSJ/QHPCet7Gl+qG0GgJNKz1bFJ+wS6tVqRaepBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T16:42:09.109198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006395
observed 5aca0100bfb6860c050a4e454bcac36a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:42:07.965642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006395/manifest.json
observed 6462fbee19a9fca8bd1e01241a6645a9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:42:07.474294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006395/publication.md
observed ee0dd643f604721429dc2c453a5e4cf0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:42:07.059628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006395/publication.txt
observed 70beb09ead43525d5483e0491e6691ea...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:40:22.470274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006395
observed 5aca0100bfb6860c050a4e454bcac36a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:22.454843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006395/manifest.json
observed 6462fbee19a9fca8bd1e01241a6645a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:22.441515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006395/publication.md
observed ee0dd643f604721429dc2c453a5e4cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:22.427143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006395/publication.txt
observed 70beb09ead43525d5483e0491e6691ea...
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.