OpenTechnical

OT-2026-000076265

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076265) never changes.

Identity and time

Publication numberOT-2026-000076265 · never reused
Internal UUID01a0ae94-6a6f-7a6f-8aa5-10b70937a241 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076265
StatusPUBLIC

Content hashes

Canonical textdb73fafb71bd57e6d2c4f0eaba96a562a85806d82dd6122de2627c40783e4efb
Markdown39b80072817a177ce44104588ca0d92fab796a6a01475a867ded0dacbd6f280c
PDF
Publication page8ea095408e966951c5e69331d1b60fcb2f8a5cb11bd658bcd2262893a3a63710
Manifest3ba250b892f7917dfcbd9dc102859144ad0bb562b495bbe7c9359e6cd1f1dae7

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
SignaturelVKGbVguF30nL4M6Kqwvx8jQRovFCzjIT5LVPWoY1MMJCwvTqlHkEg4knbu5oor7GfcrTjBlSdijqYHJ5XnRCw==
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

2026-09-17T10:11:59.803575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076265
observed 8ea095408e966951c5e69331d1b60fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:59.786212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076265/manifest.json
observed 3ba250b892f7917dfcbd9dc102859144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:59.765395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076265/publication.md
observed 39b80072817a177ce44104588ca0d92f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:59.744848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076265/publication.txt
observed db73fafb71bd57e6d2c4f0eaba96a562...
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.