OpenTechnical

OT-2026-000068686

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum 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-2026-000068686) never changes.

Identity and time

Publication numberOT-2026-000068686 · never reused
Internal UUID01a0ae90-2483-7d72-a4b9-a632eb578a89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068686
StatusPUBLIC

Content hashes

Canonical text8311c5a1614adbb5e33a12b6a91e1d0921829d408fd7bdc5689d789d71eedb7d
Markdowncedff2a5ecc5a59f59104b1a40ea6efb5b68d233bb0a35b1209017052aebe9a4
PDF
Publication page9cb305425930ee8c7b4c06f3f056554ea245669576af70f676c55ac0afcd3d6d
Manifest102607c9c258a40cf83c7659b7e4a9ae5166f9fb562897eee512f317bdb55874

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
SignatureqWZzz4wnncQgWb0cjuCUTZHYtJKBGuFOg+3xH3VHpf6IOry5NAgFH7i7AnOWI5H+OL4J+90p5yo5vwop9FkPBg==
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

2026-09-17T10:29:53.353270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068686
observed 9cb305425930ee8c7b4c06f3f056554e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.336649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068686/manifest.json
observed 102607c9c258a40cf83c7659b7e4a9ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.319894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068686/publication.md
observed cedff2a5ecc5a59f59104b1a40ea6efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.302050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068686/publication.txt
observed 8311c5a1614adbb5e33a12b6a91e1d09...
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.