OpenTechnical

OT-2026-000026618

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000026618) never changes.

Identity and time

Publication numberOT-2026-000026618 · never reused
Internal UUID01a0ae71-f4aa-74b5-b1df-d0473c562393 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026618
StatusPUBLIC

Content hashes

Canonical textf043f71478e8e1e6c007f5cecece0b92a1da1c08d05b2cf2c821d7cc38754a06
Markdown1aa1d60a2126de64952cfaead16b121eee6d27811fa823e5873e2711b5a1ca15
PDF
Publication pagee6e433568e3a9022435c8bbfcba95b2546c462f305ca934380e3817a92eeb4f1
Manifestb970ba77d82942bc1dda10ee8f31706fe7a75791c360c6bb51230c4f2a3ff61d

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
Signature21CI1sFiT2ChHW3Qo1atgsJqj0pJ6RY+yV2Hc3rbCf5cR5hdkymZxDXUxG1poPkNBoaKeXlrMuzjv+WO0Wq8Cw==
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

2026-09-17T11:45:41.436341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026618
observed e6e433568e3a9022435c8bbfcba95b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:41.410457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026618/manifest.json
observed b970ba77d82942bc1dda10ee8f31706f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:41.391829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026618/publication.md
observed 1aa1d60a2126de64952cfaead16b121e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:41.371862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026618/publication.txt
observed f043f71478e8e1e6c007f5cecece0b92...
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.