OpenTechnical

OT-2026-000007893

Publication integrity record

Single cup vacuum gripper, common isolation valve, single 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-2026-000007893) never changes.

Identity and time

Publication numberOT-2026-000007893 · never reused
Internal UUID01a0ae6a-908a-71b0-b801-b265ca6d4177 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007893
StatusPUBLIC

Content hashes

Canonical textaef124f79be7eae4b2c2ed354583904357c21d9aac40dfdad50389095ac049cd
Markdownb4be37c65bf82aa81c31bc32bf4fe33fed26ad3b42c0b087fda96329bfe74c80
PDF
Publication page36fcef8f1e3d8f01116382f2bd8ffdd38e3fd4411f504b08039947d239f5aaa0
Manifest4dd59df3efb119ad3fdaf87866fe98de2fe5b157e408c200ca98fa96bb3bd4e4

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
Signatureb+9mkWbzSEN2hPKXN/JQljJQ/q8IoF2LTyLt7w/xF7DrD0zXSiLZU5lwwUM8lkH0rXGH0J9D/v6aDq0Lgvm7Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:21.345875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007893
observed 36fcef8f1e3d8f01116382f2bd8ffdd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.327039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007893/manifest.json
observed 4dd59df3efb119ad3fdaf87866fe98de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.309332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007893/publication.md
observed b4be37c65bf82aa81c31bc32bf4fe33f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.292191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007893/publication.txt
observed aef124f79be7eae4b2c2ed3545839043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:00.029411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007893
observed 36fcef8f1e3d8f01116382f2bd8ffdd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:00.007327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007893/manifest.json
observed 4dd59df3efb119ad3fdaf87866fe98de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.981049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007893/publication.md
observed b4be37c65bf82aa81c31bc32bf4fe33f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.962030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007893/publication.txt
observed aef124f79be7eae4b2c2ed3545839043...
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.