OpenTechnical

OT-2026-000071063

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two 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-2026-000071063) never changes.

Identity and time

Publication numberOT-2026-000071063 · never reused
Internal UUID01a0ae91-8c2e-76c5-9c9f-b3aa7c12bf19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071063
StatusPUBLIC

Content hashes

Canonical texte71374df203870dc5376108fa07873f10cfd0e58541df9807b9c7ecf61765c8a
Markdown643f816563023e3a49b74e812dcc2bc1b0c72cb50ac0698421ac15f93119627d
PDF
Publication pagef7bd6c2728fd59b1d61599c73c3515d03d81ebbabe32f8ab2637fc6461e44110
Manifeste354e5e1d66d5cb9257d97c9eb4f1bad1f88acd1e7d6ef1e8456923bdadef223

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
SignaturelXEnbHo/zZNAI7dBziUpJ0p7Y+RWJFTSl7NliUJxDqfALW1vLct7q5voMWh08Vg8uWgrC9odEuKI29g/K2TRCg==
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

2026-09-17T10:25:55.333716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071063
observed f7bd6c2728fd59b1d61599c73c3515d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:55.316483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071063/manifest.json
observed e354e5e1d66d5cb9257d97c9eb4f1bad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:55.300399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071063/publication.md
observed 643f816563023e3a49b74e812dcc2bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:55.282737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071063/publication.txt
observed e71374df203870dc5376108fa07873f1...
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.