OpenTechnical

OT-2026-000049323

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000049323) never changes.

Identity and time

Publication numberOT-2026-000049323 · never reused
Internal UUID01a0ae81-1350-7d79-a041-eef63b6d667d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049323
StatusPUBLIC

Content hashes

Canonical text03eab74c09400425a283d439b0ae4da82ef7661c888e79b741b3a14861dd627b
Markdowneca8001f299db811417b833498a83677fbba527e4b584aaf0888f456dea1748f
PDF
Publication page4f313570a501026f692e2f380041b4f7da22d0284c1a4aa8a450a9fa2eff9b7e
Manifestf7d5330513ca56b5610a9c93e9e6d2a4ec72c7202e112b5d4ac7e48f4c09fe6d

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
SignatureiS70h65rT9q/A7Lh/AkkHNLFM6pofFQnVNUgNZWPNn+I1ed0oZj1aHduUPa9enxdPhOBoc+kMAMXc2djAPaqCw==
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

2026-09-17T11:04:11.822577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049323
observed 4f313570a501026f692e2f380041b4f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.803083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049323/manifest.json
observed f7d5330513ca56b5610a9c93e9e6d2a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.786135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049323/publication.md
observed eca8001f299db811417b833498a83677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.766291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049323/publication.txt
observed 03eab74c09400425a283d439b0ae4da8...
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.