OpenTechnical

OT-2026-000037147

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000037147) never changes.

Identity and time

Publication numberOT-2026-000037147 · never reused
Internal UUID01a0ae77-7741-76aa-b03b-f6474b6f2e8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037147
StatusPUBLIC

Content hashes

Canonical text6203f9d9d7575063e5b7f3627e4839a53ef4e213ab503153d41ce13d1c7917a2
Markdown288154583291ff76bfc183d98fd389ee684720475f4c4a61400c47533775569a
PDF
Publication pagee58821ca290651ba612480f2592b3dfb293a99dfab77487591038f5859ac8ae7
Manifest0c76a0f637f900d4c9a904532b25d7bf95472766b65f4325c454db2045ce9117

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
SignaturezTCYcL+5VYenBEwIoXW7uz1pg6M5uAkwT8UE9PArAR1QruF8dr21a4A83GGjtz9azIjl3VlAIkqS1EZpNYgMBQ==
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

2026-09-17T11:25:01.756606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037147
observed e58821ca290651ba612480f2592b3dfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.740792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037147/manifest.json
observed 0c76a0f637f900d4c9a904532b25d7bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.724699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037147/publication.md
observed 288154583291ff76bfc183d98fd389ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.708509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037147/publication.txt
observed 6203f9d9d7575063e5b7f3627e4839a5...
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.