OpenTechnical

OT-2026-000044817

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000044817) never changes.

Identity and time

Publication numberOT-2026-000044817 · never reused
Internal UUID01a0ae7c-911b-7ba0-adbf-1f7e94319e3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044817
StatusPUBLIC

Content hashes

Canonical textcd72b2c89c0ebd319b47d90a917e8771d3cf6d319f5e384500de8631ef88fa60
Markdownf531d779d3e466ea1eb31192febea49f00e9dede095fa4cc976e520d0bb28fa4
PDF
Publication page77d5d85ab0da28708ac369a3b53383a60db2496962af9964969876958edfe3b6
Manifestc3ba3c4f0a1b429ead974c3820c09e969bc7f113709c598bbfc6cca58454a7d5

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
SignaturesSW7O8Q+O/Ov/aAru5/sk6Uaqaxzv7m9RbpIw79McyJmFLfi3bdSeIaVusFBeSsPLmDYXNXU+lBLkEj0nhkFCw==
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

2026-09-17T11:11:27.122134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044817
observed 77d5d85ab0da28708ac369a3b53383a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:27.103662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044817/manifest.json
observed c3ba3c4f0a1b429ead974c3820c09e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:27.082909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044817/publication.md
observed f531d779d3e466ea1eb31192febea49f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:27.063438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044817/publication.txt
observed cd72b2c89c0ebd319b47d90a917e8771...
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.