OpenTechnical

OT-2026-000009778

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000009778) never changes.

Identity and time

Publication numberOT-2026-000009778 · never reused
Internal UUID01a0ae6b-7565-7b1f-8766-cfa7021c38eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009778
StatusPUBLIC

Content hashes

Canonical textc389c415cc6790458bbd656a21f4049a14d211f778030491140bdb0101f47d07
Markdown3397942289de4c52f9e14dc693ecc9510170065a1e9c74df8b2a1b3c204aea8e
PDF
Publication pageb48d6fec50f97b62fb94824dcc67790be8de3a91c94a3789417ef2bb8cda7564
Manifest03d64fdbf412a3184a2018816564ba109d1bed16a2554d7f6c83890151c4dfa4

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
SignatureEfk7lEYesy6lblcaBcBur/eobLIS1RNwNNueNfyaO4OTtDTtL1ibj1uBJwRiWVSBcWHpqo2S0craWRlRtXFKCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:17.474003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009778
observed b48d6fec50f97b62fb94824dcc67790b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.452609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009778/manifest.json
observed 03d64fdbf412a3184a2018816564ba10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.433414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009778/publication.md
observed 3397942289de4c52f9e14dc693ecc951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.413943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009778/publication.txt
observed c389c415cc6790458bbd656a21f4049a...
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.