OpenTechnical

OT-2026-000041486

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, sustained blow-off after 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-2026-000041486) never changes.

Identity and time

Publication numberOT-2026-000041486 · never reused
Internal UUID01a0ae79-b145-7b7b-a068-a1b93208a706 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041486
StatusPUBLIC

Content hashes

Canonical textd193a4c8353a2040d2b9457ceb15bcf01bdfa7ac34163064898cfb953c8b5959
Markdown74a1c9acd3ca7b6818e5ef732abd65c4b86f125c83e542c078dda87040875b14
PDF
Publication page586df85dbbdb83c1ec792273324ba7201ccaa9d67f91eed4528d0ff9c24ce1e3
Manifest2e77e65380edfab020234cc954e7ce340d1ced3fc572ef4ef30981a9ec61d880

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
Signature0dPrYvl9JJs+3gVK0HwFKOPicbmy/05N0d4cP1eutIcABmy3iAYVxNufs2hDpdjTWiqXppDDcqvHEooau8SmAQ==
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

2026-09-17T11:17:31.184897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041486
observed 586df85dbbdb83c1ec792273324ba720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:31.165916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041486/manifest.json
observed 2e77e65380edfab020234cc954e7ce34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:31.147030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041486/publication.md
observed 74a1c9acd3ca7b6818e5ef732abd65c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:31.126456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041486/publication.txt
observed d193a4c8353a2040d2b9457ceb15bcf0...
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.