OpenTechnical

OT-2026-000014423

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000014423) never changes.

Identity and time

Publication numberOT-2026-000014423 · never reused
Internal UUID01a0ae6d-b27a-7f00-a24c-ab7578946d50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014423
StatusPUBLIC

Content hashes

Canonical text18d16f1f7b6bd5c96447763ec0a07aeb13cdcdba0242202ac2e1084db81f989b
Markdown68552ead1a0deaf4b75dd39ffac5a45ec5d4a6c3e4806adab017eca87d4202f7
PDF
Publication pagecc8b838ed795af9225f7c56886882db6aa10ea7d30d17094d22b2944e51a5c75
Manifest58b7e2afcbf2e6cf602e3182dd1c6c300a8d7a433c63bde15830f62a2e1923d1

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
SignatureNDwANmrDRuVq3l7jFzMqVrihyH4QS2R31sJ3hCvOW31kFNThubqBMsyK4in79Z1Pa6rDWVKU/8JSbRB7LqCKBw==
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

2026-09-17T12:10:11.426766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014423
observed cc8b838ed795af9225f7c56886882db6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.409950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014423/manifest.json
observed 58b7e2afcbf2e6cf602e3182dd1c6c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.392915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014423/publication.md
observed 68552ead1a0deaf4b75dd39ffac5a45e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.375427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014423/publication.txt
observed 18d16f1f7b6bd5c96447763ec0a07aeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:17.297298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014423
observed cc8b838ed795af9225f7c56886882db6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:17.275326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014423/manifest.json
observed 58b7e2afcbf2e6cf602e3182dd1c6c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:17.254715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014423/publication.md
observed 68552ead1a0deaf4b75dd39ffac5a45e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:17.235237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014423/publication.txt
observed 18d16f1f7b6bd5c96447763ec0a07aeb...
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.