OpenTechnical

OT-2026-000050032

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000050032) never changes.

Identity and time

Publication numberOT-2026-000050032 · never reused
Internal UUID01a0ae81-fd78-7ce6-8cd9-bebca7a2283e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050032
StatusPUBLIC

Content hashes

Canonical text36e2795aabbe09543c5089137e6c24abb95bb2734a3aa2b209e90343d4fe4a59
Markdowna77e4811d51dc2881532338c4d9d5a1be7c86661f08994794770168debf4a6b2
PDF
Publication page2c8ebfeda64952822e8d1c4e203424f219f04b273ca4d09af0ccdfb1b83c1e39
Manifest7982586d37f01fabce434f408f6e8613fa570ecac27a01b09a40bac699576df5

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
SignatureU3ZJQ6GyeR6Cfvi0fiHVo9PzxT1gm0/+/tvyRffrwPpVdiHJnflMVV7EeWS1U5jFE01vYesfv+Rahu42QAABCQ==
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

2026-09-17T11:02:00.379683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050032
observed 2c8ebfeda64952822e8d1c4e203424f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:00.359433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050032/manifest.json
observed 7982586d37f01fabce434f408f6e8613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:00.331143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050032/publication.md
observed a77e4811d51dc2881532338c4d9d5a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:00.313254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050032/publication.txt
observed 36e2795aabbe09543c5089137e6c24ab...
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.