OpenTechnical

OT-2026-000029303

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000029303) never changes.

Identity and time

Publication numberOT-2026-000029303 · never reused
Internal UUID01a0ae73-2aa1-7edd-982c-5ab953f6a118 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029303
StatusPUBLIC

Content hashes

Canonical text577fda51daef90c95c9a60128e14fa0d11962ab0445363328b473a8d72718f8d
Markdownf3b3e07e5bae60507038c5d1bed342ccdf184dfe021dac353b2a9e9949eb16d9
PDF
Publication page88bad38ac59a8007b5783e0021cddceecf603cc52a885ae1dd521b19d188640c
Manifestc3621d4f18fa10386dd2e31bcabf0fb8c0e158309573c141dd3953e6b4a277fd

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
SignatureanXgmN5ovxlowz388NAw3tdljii/bS0uyIkKVDzi+yHCvFr/yDVLfBl+ZgKn48eBfa6k/VKqiLrkcddEgB3gCA==
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

2026-09-17T11:39:56.528422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029303
observed 88bad38ac59a8007b5783e0021cddcee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.510321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029303/manifest.json
observed c3621d4f18fa10386dd2e31bcabf0fb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.493293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029303/publication.md
observed f3b3e07e5bae60507038c5d1bed342cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.476490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029303/publication.txt
observed 577fda51daef90c95c9a60128e14fa0d...
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.