OpenTechnical

OT-2026-000008856

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000008856) never changes.

Identity and time

Publication numberOT-2026-000008856 · never reused
Internal UUID01a0ae6b-31b7-73e9-8c11-9da3202e76fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008856
StatusPUBLIC

Content hashes

Canonical text7cd2d3d03f8404add975426d1ada4fe569e6144e0b9841649e4c581060016b46
Markdownfbf5cd3c2819d4e52f6b18d551c32b2d41693c4e822f862ace550b90d3750bd5
PDF
Publication page5e639fdfbef274dfd8580129b6e0c52fdac780d17588a353374dc3b3bbadc7a8
Manifest50d03eb3647617c92aa079e337417028b7dde5f51d724a1370e1c101641b541a

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
Signature0HH33jh5Z7dOCcjRRwgQdMGyu7dq598XBIQ4SP/zA/JNPyRF29gtsdsrJsV91IaWIsZZCHpuIY1yOO4yL515Bw==
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

2026-09-17T12:17:26.327185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008856
observed 5e639fdfbef274dfd8580129b6e0c52f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:26.309498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008856/manifest.json
observed 50d03eb3647617c92aa079e337417028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:26.289154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008856/publication.md
observed fbf5cd3c2819d4e52f6b18d551c32b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:26.268518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008856/publication.txt
observed 7cd2d3d03f8404add975426d1ada4fe5...
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.