OpenTechnical

OT-2026-000061543

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000061543) never changes.

Identity and time

Publication numberOT-2026-000061543 · never reused
Internal UUID01a0ae8b-7b44-76ed-8723-c57bdb789cf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061543
StatusPUBLIC

Content hashes

Canonical text6c13508f7fc910d7f8c7acfa2106a5b772b379899f95756a3f1b17265911b28a
Markdown17edfbfe28cd83c607ffd58b52eba550c0300bdd603b2dcfbee319cb6d23b629
PDF
Publication pagec25cb69e664f1d5bf29737995e8e247e74d02d65bf94f7a1acdfbeecece53cd5
Manifestc9ed6e0392eec145b84dd3805846e6315ff4f6ed6cef522f9e128874e4fcf4dc

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
Signatureu8KKMQhBM3OXkXdtng2rVrjEKew1niyiaogO617VUYoBSK1gFteb58ies4oRLwcjF6AUYaBDrvvx89zK7l3sAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:27.139143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061543
observed c25cb69e664f1d5bf29737995e8e247e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.122362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061543/manifest.json
observed c9ed6e0392eec145b84dd3805846e631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.101527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061543/publication.md
observed 17edfbfe28cd83c607ffd58b52eba550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.082142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061543/publication.txt
observed 6c13508f7fc910d7f8c7acfa2106a5b7...
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.