OpenTechnical

OT-2026-000091209

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000091209) never changes.

Identity and time

Publication numberOT-2026-000091209 · never reused
Internal UUID01a0ae9c-f16b-754d-a24e-6fa91c4d9f9c · 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-2026-000091209
StatusPUBLIC

Content hashes

Canonical textc5ce1b4f5057b3bdb07a32df409c6c17e827b1b52f550e2e0ebdf62a0bcd7fbd
Markdowneccbaa6bffd6078ec4a59d9e24f0266b303450afd27f47ddded0bc41d9a66a81
PDF
Publication page3c3b513280a7aabb9838c89f778f76e9f19f146c221545c89e00efc9cf140a88
Manifest47f383533ebc6fb3817aa91346ffdc09b43ba1b3d4154492a3effad2e9f009db

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
SignatureRkXcNUFqM59iZpDy8byKzTNeiUONKv3U3yQTubE0Ld1DDFhlyb0ovJSWIYwuMe7mnHy/XkOt70ihDL6Vp7ZFBw==
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

2026-09-17T09:43:13.550238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091209
observed 3c3b513280a7aabb9838c89f778f76e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:13.531494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091209/manifest.json
observed 47f383533ebc6fb3817aa91346ffdc09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:13.463422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091209/publication.md
observed eccbaa6bffd6078ec4a59d9e24f0266b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:13.402428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091209/publication.txt
observed c5ce1b4f5057b3bdb07a32df409c6c17...
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.