OpenTechnical

OT-2026-000019765

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line 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-2026-000019765) never changes.

Identity and time

Publication numberOT-2026-000019765 · never reused
Internal UUID01a0ae6f-1fb4-7541-88cc-be27bbcba144 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019765
StatusPUBLIC

Content hashes

Canonical textdcfa9dda5a1095c6c16f3fa19868418a0ce77e517549725a40cd130411634be6
Markdown18ae84a97684b581e809fa8438bb70d51bc67133ba42a4d5877d7a9b9b86de4b
PDF
Publication page63abed84f144aa8d148afd112874dac8d46f9b11b8b4ef7b564b4038fe435b3c
Manifesta08c33c77682c5d998bad1d3e8d3a87f57d328e1f47cef0524fda4a6e5b2b963

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
SignatureynBX0VFpN8X2fJR1A8yiR0YBYM/KnMIO+Fx8ay0LwM6t/9/O8ayKY7Un6womdEJuhAh+1Ir/TDqLCI630uOiBg==
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

2026-09-17T11:57:52.145568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019765
observed 63abed84f144aa8d148afd112874dac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:52.128532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019765/manifest.json
observed a08c33c77682c5d998bad1d3e8d3a87f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:52.112153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019765/publication.md
observed 18ae84a97684b581e809fa8438bb70d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:52.096776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019765/publication.txt
observed dcfa9dda5a1095c6c16f3fa19868418a...
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.