OpenTechnical

OT-2026-000035619

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000035619) never changes.

Identity and time

Publication numberOT-2026-000035619 · never reused
Internal UUID01a0ae76-b4c6-786a-8104-652a7ab2a891 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035619
StatusPUBLIC

Content hashes

Canonical textd78dda9c56e4f4263912c160312a371e6755510fd954607786b9f78923c2f48b
Markdown5d193c8cd4d5893bb291b43eceaf81c0ad3b2b5ebaadba647f6d5f796f45e618
PDF
Publication pagec69662a324cd192d48623fdc7ec15ed3eda50b8c3f9dfac3a5789eff989dc8f5
Manifest4fe71efeef3abfebcbe862476bb77169868c35eecdcfe3d9d2f9d9b1cf8117f5

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
SignatureOgo06ucvfnGhCBAauCHMbBelZAT7Nbg5RUWFIAcfOdCItg+6JDXkfZQQqm8HEX4hl3DwJnuEzHD7NtpZJ/7aCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:27:09.639422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035619
observed c69662a324cd192d48623fdc7ec15ed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:09.621019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035619/manifest.json
observed 4fe71efeef3abfebcbe862476bb77169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:09.598874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035619/publication.md
observed 5d193c8cd4d5893bb291b43eceaf81c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:09.579668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035619/publication.txt
observed d78dda9c56e4f4263912c160312a371e...
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.