OpenTechnical

OT-2026-000026978

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000026978) never changes.

Identity and time

Publication numberOT-2026-000026978 · never reused
Internal UUID01a0ae72-3453-71c8-bad9-1949af261af6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026978
StatusPUBLIC

Content hashes

Canonical text1ea7416e6481d54e4a7f2a330026281ec431f2369079b624a902eb5ce31dba4b
Markdowna362f58b21e7b52e98aa7249d5c6974a4b6921d9c78b25a098c545c04a9d23a8
PDF
Publication pagef9b889e0fde2be4ad8e89bab19d08232a01367501db0abea559e7aac9a5bd38d
Manifest1feb497afb5974b933af54de1a645ebb751037f6df55daa7565c72a43986aeda

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
Signature9uUw6WDYnRnNonFw99wKVlqFuGZytOEazqiVkktoYhiaqjf+CVdyImddJRx5EXZ5viOATOAHy2NjAvvD46cyDg==
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

2026-09-17T11:43:36.231662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026978
observed f9b889e0fde2be4ad8e89bab19d08232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:36.213756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026978/manifest.json
observed 1feb497afb5974b933af54de1a645ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:36.179170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026978/publication.md
observed a362f58b21e7b52e98aa7249d5c6974a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:36.146286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026978/publication.txt
observed 1ea7416e6481d54e4a7f2a330026281e...
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.