OpenTechnical

OT-2026-000018377

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000018377) never changes.

Identity and time

Publication numberOT-2026-000018377 · never reused
Internal UUID01a0ae6e-b489-76d9-ba45-daf6adb64551 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018377
StatusPUBLIC

Content hashes

Canonical text8e47ab2625b5318884b1a7a2c679509d6cfbfd7983ef24db01b30057611886be
Markdowne85e7734047868df96cfd5301db47cb80cbcd86f77821024f8e83f9d5b5ec730
PDF
Publication pagec8b11a1f9c999ce765f1a39b0405470c7cd14ceb04d51cc8c0ac1a73b66ab481
Manifestd9a1bb2bb3e9e5794bb4b446965bfa5c0defc7df0b90119c3961a6a37b2d728e

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
Signaturenq7Pf2SS7Ff4AHfSmrNV97FaBmn4TLB18D4TX60OZ6J50RWgxstlCF58BkjMv/A2woCebqt6C5oLLm8onQuyDA==
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

2026-09-17T12:01:07.011073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018377
observed c8b11a1f9c999ce765f1a39b0405470c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.993382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018377/manifest.json
observed d9a1bb2bb3e9e5794bb4b446965bfa5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.977777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018377/publication.md
observed e85e7734047868df96cfd5301db47cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.958710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018377/publication.txt
observed 8e47ab2625b5318884b1a7a2c679509d...
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.