OpenTechnical

OT-2026-000072156

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented before set-down

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-2026-000072156) never changes.

Identity and time

Publication numberOT-2026-000072156 · never reused
Internal UUID01a0ae92-47c2-7e46-b237-59b058e0d439 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072156
StatusPUBLIC

Content hashes

Canonical text9795d774a8f2a4d8cf35ffe5845b4fe287f19e00380186fbee8577137ad2b6c1
Markdowne6c0b53e85118c0e6dd11a157072b7e6432dc510eada90f0e50cafb52d923343
PDF
Publication page732126a43f28addc6ba9dc562e4d6311d5dee5a5c4f737384a4a2e9fec5e9c61
Manifest224354ca2c11e47c75ff082239df58a9f54aebb0096bf381da807d505a706cd9

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
SignaturePvE23wBb1GewZ16CjlgVtThbsN5kEm7AD/XLUUySpP5MQgKkNM2FMmfaN6+bzzXUXH1fX0brZiC388iVytNZBw==
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

2026-09-17T10:23:13.240853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072156
observed 732126a43f28addc6ba9dc562e4d6311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.223817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072156/manifest.json
observed 224354ca2c11e47c75ff082239df58a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.186481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072156/publication.md
observed e6c0b53e85118c0e6dd11a157072b7e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.150574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072156/publication.txt
observed 9795d774a8f2a4d8cf35ffe5845b4fe2...
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.