OpenTechnical

OT-2026-000104377

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000104377) never changes.

Identity and time

Publication numberOT-2026-000104377 · never reused
Internal UUID01a0aea5-3421-7584-8bb9-ed869a760e7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104377
StatusPUBLIC

Content hashes

Canonical text2f26a1518872e49be326953e595e0fd7aefa9fc03c2ece12c5546e6e98a083ea
Markdown6f81321847b3875a85c58c4083985d0b79cf8d74f72d1b94e68f1f58798e6bb9
PDF
Publication page42249c0985cf8e634e6ba1ad0dc73289975c905d6fd3bd1e74481341d4ceddb4
Manifest2b1296c3034e1657c9422c7677002c32c4790cb4a74914b041f2139919cd3ece

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
SignatureNcfqFQmHJ7UJM+kKt4ASd8NLNHtnhZ2E+zDFl2qpR0O5hw0AU2p3PPdoXgKzebHLeakCgu2CKNMtB2Z4IybVCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:38.430669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104377
observed 42249c0985cf8e634e6ba1ad0dc73289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:38.413568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104377/manifest.json
observed 2b1296c3034e1657c9422c7677002c32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:38.394514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104377/publication.md
observed 6f81321847b3875a85c58c4083985d0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:38.375107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104377/publication.txt
observed 2f26a1518872e49be326953e595e0fd7...
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.