OpenTechnical

OT-2026-000007983

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000007983) never changes.

Identity and time

Publication numberOT-2026-000007983 · never reused
Internal UUID01a0ae6a-908b-7b0f-8256-c7def9a0d62c · 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-2026-000007983
StatusPUBLIC

Content hashes

Canonical textd933e50a353d351e337833de19107d36dac06d8194b738488691018525818c4c
Markdown4cd97be1ef7bbd0e4fb4468c334d1010d82f31d47084f0e86b90a198436baf74
PDF
Publication page7ccfaa2d311b89858729c6677c9fab24574facc9bc57cb9f95a6924b1c6fb33f
Manifest625e0b6b41cad84443e1b552ccca83c91180a8484a116746add109635cfa87e0

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
SignatureSDycnl4M19lhZB2gyiq9+LZd8Rqg+zs//fzFy1tRf3XR/c2hZMEp+6iZisW5cA9NNHImJxL6uZtPf5MgohrBDw==
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

2026-09-17T12:20:31.646100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007983
observed 7ccfaa2d311b89858729c6677c9fab24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.626622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007983/manifest.json
observed 625e0b6b41cad84443e1b552ccca83c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.608972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007983/publication.md
observed 4cd97be1ef7bbd0e4fb4468c334d1010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.585868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007983/publication.txt
observed d933e50a353d351e337833de19107d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.697457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007983
observed 7ccfaa2d311b89858729c6677c9fab24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.680510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007983/manifest.json
observed 625e0b6b41cad84443e1b552ccca83c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.655977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007983/publication.md
observed 4cd97be1ef7bbd0e4fb4468c334d1010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.634594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007983/publication.txt
observed d933e50a353d351e337833de19107d36...
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.