OpenTechnical

OT-2026-000101031

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000101031) never changes.

Identity and time

Publication numberOT-2026-000101031 · never reused
Internal UUID01a0aea3-c377-7973-b859-22d7fba34b32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101031
StatusPUBLIC

Content hashes

Canonical text8095b9074a104c829e20563f2695c1109a0bac9de93a6dde7cfae52eb8d275d9
Markdown66d0f02c56af611616049465c9f5d62b7c751a577d360510350632b93395ef27
PDF
Publication page48eebfb8377943d8ea30d6a3d88e3652bd74cac8c3c4cc7710d26bc83fc41923
Manifest3d8f9b611a731acdd5d071d61d1422304ad4a40ede83b2f8b94c89c63075f920

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
SignaturePMVcttCs4zuAE5oUynC93g9jJTe9Ixub44W4+AiJyVqw8mMrw/2QpJrhE/RZ8f/lFpifWHv3iQjskfG6icqlBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:38.334118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101031
observed 48eebfb8377943d8ea30d6a3d88e3652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:38.316438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101031/manifest.json
observed 3d8f9b611a731acdd5d071d61d142230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:38.297134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101031/publication.md
observed 66d0f02c56af611616049465c9f5d62b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:38.278504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101031/publication.txt
observed 8095b9074a104c829e20563f2695c110...
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.