OpenTechnical

OT-2026-000046659

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000046659) never changes.

Identity and time

Publication numberOT-2026-000046659 · never reused
Internal UUID01a0ae7e-57de-753c-9642-5f83d60fbba6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046659
StatusPUBLIC

Content hashes

Canonical textb99bc4dc0a00c7b8397b257c6471388bedcd0e0c30ded7bbfd87849bd115b441
Markdown8cf8f4d8964718e9f8ac14a3cedd0d294aa63d33567d8bf8e68243bc003ad6aa
PDF
Publication pagedd1593f1b42149a61be5197e3729ce5fd7c9a850fd45f8c68b4984b6758a1838
Manifest0f42536fc1724568360664c000d7d91bb50d735af4ee3f09c5f21e6197145e50

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
SignatureE0XZhwJT/rZmUgcfXMXpVB2hBk1p8QiccHVK24H5k/V5wUae02JZWQVBU4IkIgCcarubjyxeWINO2lfdfBkjCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:08:45.226332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046659
observed dd1593f1b42149a61be5197e3729ce5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:45.210962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046659/manifest.json
observed 0f42536fc1724568360664c000d7d91b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:45.193873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046659/publication.md
observed 8cf8f4d8964718e9f8ac14a3cedd0d29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:45.175664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046659/publication.txt
observed b99bc4dc0a00c7b8397b257c6471388b...
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.