OpenTechnical

OT-2026-000080953

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, sustained 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-2026-000080953) never changes.

Identity and time

Publication numberOT-2026-000080953 · never reused
Internal UUID01a0ae96-b975-7139-b838-dc889be88934 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080953
StatusPUBLIC

Content hashes

Canonical textce28ab64e2633812cb28ab3e09db56bb687e2641c4e9d31e436555e23744ac53
Markdowne1f94b74b30359188d0ab16ebfe880122afa1e49fb0409ef0c3310901b96644b
PDF
Publication pageb63517a9c2d597f1e3c002dd838a75a1049224fc1236a29d19ee6268e90d77b0
Manifest92aaf5cf0bff675153fb92e264fe4317b252b421b973950c822ca3d6e52ed925

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
Signaturex2lwqbUdWHeLct02PjuI0xOrmdPhOeVuEE3hbv5CLKIMXEZoCI9GJHM9PYWydME2YyiiMj3Ca6VkXYwgu8VzCQ==
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

2026-09-17T10:02:13.942707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080953
observed b63517a9c2d597f1e3c002dd838a75a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:13.925099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080953/manifest.json
observed 92aaf5cf0bff675153fb92e264fe4317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:13.907865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080953/publication.md
observed e1f94b74b30359188d0ab16ebfe88012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:13.890791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080953/publication.txt
observed ce28ab64e2633812cb28ab3e09db56bb...
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.