OpenTechnical

OT-2026-000019770

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000019770) never changes.

Identity and time

Publication numberOT-2026-000019770 · never reused
Internal UUID01a0ae6f-1fb4-7fd9-b625-8b20c1e44da4 · 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-2026-000019770
StatusPUBLIC

Content hashes

Canonical text16234452905461a38e3f0a408ebd81a57c6fcb8e218a150d10e50595f3d9192b
Markdowne9e0d659f7e2356aac6f195988916ffbeea2cad8fecef3960564ce22d319beb0
PDF
Publication pageb0f8b681dc9f6f9908fe6c85aa32cc321855c53f1eb2177be20d464a6c32f664
Manifest65b181294703997702628b2eb8fc4daedcf49cbd17e3c0070b4ad4df7b081129

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
Signature44T1E/LPIm8CU0ccWd4bcPYpn2eDOBF/4Dlr7Dla4eBxWROXqyjCFChPLQqzSHFBJocDX6L05VkLjvW6YUv6Bg==
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

2026-09-17T11:57:56.571612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019770
observed b0f8b681dc9f6f9908fe6c85aa32cc32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:56.552967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019770/manifest.json
observed 65b181294703997702628b2eb8fc4dae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:56.534211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019770/publication.md
observed e9e0d659f7e2356aac6f195988916ffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:56.513322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019770/publication.txt
observed 16234452905461a38e3f0a408ebd81a5...
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.