OpenTechnical

OT-2026-000050647

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000050647) never changes.

Identity and time

Publication numberOT-2026-000050647 · never reused
Internal UUID01a0ae82-c7b0-71a9-9eb8-4db11304c848 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050647
StatusPUBLIC

Content hashes

Canonical text0a6154233cb9444e7e5870fabca7857ac4ad0493980877b966c2605f7baf7c5e
Markdown87c3d6f20c958b40ebb4d6101da027eaed65769cb7664a05ec9d02afca0b2ccc
PDF
Publication page6b495d003923848e566f1ad8af902d288c515e509fdb00111ca15632d01d5a1c
Manifest8625a1c1f966e25a0c630b409d6d620773d2bf2d507da4bb2c301425669fa5f6

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
SignatureOt2+xi+ceRUDZlnobHhU9ydpIEEouyO3Sges4v4cT0Q0rB6wAsfd4I7D2jkjxkL431ypp9SPVaaNleNQfo0pDA==
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

2026-09-17T10:59:20.642392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050647
observed 6b495d003923848e566f1ad8af902d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:20.621235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050647/manifest.json
observed 8625a1c1f966e25a0c630b409d6d6207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:20.599197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050647/publication.md
observed 87c3d6f20c958b40ebb4d6101da027ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:20.577021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050647/publication.txt
observed 0a6154233cb9444e7e5870fabca7857a...
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.