OpenTechnical

OT-2026-000031622

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000031622) never changes.

Identity and time

Publication numberOT-2026-000031622 · never reused
Internal UUID01a0ae74-bacf-7294-b1ee-dd6293cb429a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031622
StatusPUBLIC

Content hashes

Canonical text8e188c826c5ef0d2b98999deba50be895990861d81df6732996bd6a3da2545fc
Markdown717566301c2c8f107b4d2d999aacde91fbb282167c2eaa0bd0d23fc5ce389477
PDF
Publication page28ccac5d4e11131a2c550011b110de975e6c6ff6ae6195a0555fc113f70799b7
Manifeste107318c0368d3dc54a1ef2a56ae6f72e23e667145c05d625f9ea34de3c90e9e

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
SignatureC8KuDVbMEREQQcS8+3VBXZvkXTtti8/Rvo5p1KsQNLlIdGHz2iPsexvaVovn6yFZYAfWjOC1FuzLojjlsvQ5Ag==
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

2026-09-17T11:34:40.269726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031622
observed 28ccac5d4e11131a2c550011b110de97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:40.252568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031622/manifest.json
observed e107318c0368d3dc54a1ef2a56ae6f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:40.235656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031622/publication.md
observed 717566301c2c8f107b4d2d999aacde91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:40.220046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031622/publication.txt
observed 8e188c826c5ef0d2b98999deba50be89...
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.