OpenTechnical

OT-2026-000086863

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000086863) never changes.

Identity and time

Publication numberOT-2026-000086863 · never reused
Internal UUID01a0ae9a-80a4-7e1f-ba58-666c8cb095b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086863
StatusPUBLIC

Content hashes

Canonical text4ba04efc0aa5e7fea8d523dde017e39451dbeaca60d6fb48b79e3ebb9a4b006e
Markdown5a89c57731d74c2da3fd67a7438743d7dfd28e4aa18f424f448b0f4e646742a2
PDF
Publication page7bbf226b108bfcacdac811bec6a1a862bdcafec0b0456ff7da5a9c86f953daa4
Manifest92f58907abac13814be251f89d6cd49aa07f47dfbbc274f519a76fb032cfd324

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
SignaturejvgLy2O/EYaeSBw3xO4H27iePri/m2Z1TOsCMf9VXOxT3HUCDXjAb0em1j0Q/HgGAdC4S2B5DdkNeSBndBLOBg==
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

2026-09-17T12:41:35.827276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086863
observed 7bbf226b108bfcacdac811bec6a1a862...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:35.695692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086863/manifest.json
observed 92f58907abac13814be251f89d6cd49a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:35.561903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086863/publication.md
observed 5a89c57731d74c2da3fd67a7438743d7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:35.400312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086863/publication.txt
observed 4ba04efc0aa5e7fea8d523dde017e394...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.171644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086863
observed 7bbf226b108bfcacdac811bec6a1a862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.154624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086863/manifest.json
observed 92f58907abac13814be251f89d6cd49a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.134159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086863/publication.md
observed 5a89c57731d74c2da3fd67a7438743d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.115970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086863/publication.txt
observed 4ba04efc0aa5e7fea8d523dde017e394...
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.