OpenTechnical

OT-2026-000091497

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000091497) never changes.

Identity and time

Publication numberOT-2026-000091497 · never reused
Internal UUID01a0ae9c-f16d-7adb-94c4-4c14b08e39af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091497
StatusPUBLIC

Content hashes

Canonical text406e5ac2ecdfa0302155167262ac6d4fb5ec276591dd69152152c89955532768
Markdownba3dbe647a8f808a7715b8018e1554457d787b0fefadb35b77cda216a84d166a
PDF
Publication page9e04f2d4f916c52147be5acf29cc75e1d532a287107eeed19988d93d27360a85
Manifest6bdf10bfff369b6bd42dca322e4f61248fb83fa209fb79a409e175aa9d3ef8f7

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
SignatureyiA/fwRZYdj2Gm4w0FS9hruSBTSvFyIW6H3rV9TsY772kcTPMf3yV6300DUEXCik/TwdoJT/32hTLssisC93Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:45.494220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091497
observed 9e04f2d4f916c52147be5acf29cc75e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.475346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091497/manifest.json
observed 6bdf10bfff369b6bd42dca322e4f6124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.456532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091497/publication.md
observed ba3dbe647a8f808a7715b8018e155445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.438438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091497/publication.txt
observed 406e5ac2ecdfa0302155167262ac6d4f...
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.