OpenTechnical

OT-2026-000046571

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000046571) never changes.

Identity and time

Publication numberOT-2026-000046571 · never reused
Internal UUID01a0ae7e-57dd-7dec-9ab8-9f7c03219275 · 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-2026-000046571
StatusPUBLIC

Content hashes

Canonical text654f5add8dcae9c8d7aa580fc779f808c1f5327374e0adc229eede4e9936704e
Markdownf1d919951a11a502f91fd5ae7d1a431260852902c723573c933cb1ebe0343abf
PDF
Publication page300ac9da2861ed8380beaa6edec910ea195e3e444f9c139695d7d1804ec5390a
Manifestc0b5a91fabae4f8712add9bc31d61ffeff4eda499c256ea869f236571bf86546

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
SignatureiQAotgOS/UCBXDxDQej9dfa4FG/ap5zI2kjp5vsL2DRi9FVrDSENKiuDuw9qBQLKAAR7ViEBKWtVVdc0xecJCg==
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

2026-09-17T11:08:38.298990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046571
observed 300ac9da2861ed8380beaa6edec910ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:38.279810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046571/manifest.json
observed c0b5a91fabae4f8712add9bc31d61ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:38.262334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046571/publication.md
observed f1d919951a11a502f91fd5ae7d1a4312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:38.244691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046571/publication.txt
observed 654f5add8dcae9c8d7aa580fc779f808...
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.