OpenTechnical

OT-2026-000091368

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000091368) never changes.

Identity and time

Publication numberOT-2026-000091368 · never reused
Internal UUID01a0ae9c-f16d-7ac9-9b0c-c98d5e08cfe2 · 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-2026-000091368
StatusPUBLIC

Content hashes

Canonical textd1f5adaf99467dbe064afa2090a503609c50a6c14a31555a952688a6e2d45a85
Markdown0baf46589b11c20b5234a35dc8f29a3a3a57a17324edf972d392ef89593cb49a
PDF
Publication page8f71844f76b77ab9737d326c7cc6222f4d2944101d3e20cac282fa90af60311f
Manifestea6d8a8ae7e9005d6e46bccd6ca6f1f3deece8675802d8bef04678d5e7c2b97b

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
Signaturetkfp1uB4jSxiOHdGTk3s6lddy2zQvdm2T2qZj5SjFu8SGRLidYuW5qDoR5Cq+dsRdXIuRa+uXrTM5J+Knwi2BQ==
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

2026-09-17T09:43:35.193648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091368
observed 8f71844f76b77ab9737d326c7cc6222f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.175870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091368/manifest.json
observed ea6d8a8ae7e9005d6e46bccd6ca6f1f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.158794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091368/publication.md
observed 0baf46589b11c20b5234a35dc8f29a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.141923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091368/publication.txt
observed d1f5adaf99467dbe064afa2090a50360...
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.