OpenTechnical

OT-2026-000086683

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, sustained 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-2026-000086683) never changes.

Identity and time

Publication numberOT-2026-000086683 · never reused
Internal UUID01a0ae9a-2c99-7f53-9ac7-3ec057e2c484 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086683
StatusPUBLIC

Content hashes

Canonical textc49bd7adc5b3584766b1c55c288b78c15d0a1b6d2703f47e29eda3629b780f16
Markdown48f79fa757a8fe491dc1b8b460056ed5e19fa0f7cb2ad6aaffff1e3e32d6d7f2
PDF
Publication pageac1e2b27c70b88e3deea264ad3ac3efc6d07e0a87f081047a05824804fa209c0
Manifest9b8467f7d9e6f4c56634317cd9e9643c634bf3f584759110b42b6562b1a3da6c

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
SignatureLkCo1XNXAKJpKdVLL6nl7u69cnu9wTY2F5NKs8VL7jmbRV3295nRm+u71thtzr2AfG05v88kSkjKjIZcA7WoBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T12:43:16.090255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086683
observed ac1e2b27c70b88e3deea264ad3ac3efc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:15.947105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086683/manifest.json
observed 9b8467f7d9e6f4c56634317cd9e9643c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:15.715053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086683/publication.md
observed 48f79fa757a8fe491dc1b8b460056ed5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:15.462649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086683/publication.txt
observed c49bd7adc5b3584766b1c55c288b78c1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.036835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086683
observed ac1e2b27c70b88e3deea264ad3ac3efc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.020725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086683/manifest.json
observed 9b8467f7d9e6f4c56634317cd9e9643c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.004161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086683/publication.md
observed 48f79fa757a8fe491dc1b8b460056ed5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:32.986226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086683/publication.txt
observed c49bd7adc5b3584766b1c55c288b78c1...
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.