OpenTechnical

OT-2026-000045007

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, 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-2026-000045007) never changes.

Identity and time

Publication numberOT-2026-000045007 · never reused
Internal UUID01a0ae7c-911d-78af-af95-34275092d123 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045007
StatusPUBLIC

Content hashes

Canonical text9e93c660af80a65d1df0d8403f0a3d4fae7fc7d22fc08884e5c5e43857e6c141
Markdownbd401da629dde11c049e90808c4eae1cb7507b061db9f76cc05294b6807c7b4d
PDF
Publication page3cb888535930dc3a04c01ebe731192b428157deb4be555866eb3c53293632fdf
Manifest5c0f1c4d23e28ad25409b4a5ee5d7e1d0cc7fdb0343586ce017eae623a012afa

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
Signature/hDuS08wJKQOhAFMwmQOJPJpOAKScQmI+gH0Rjv/TVW2u0y/Cf1LkmJCiIIReouFWOClmE+dUYjlB91J0KQ3Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:42.331926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045007
observed 3cb888535930dc3a04c01ebe731192b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:42.313296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045007/manifest.json
observed 5c0f1c4d23e28ad25409b4a5ee5d7e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:42.294218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045007/publication.md
observed bd401da629dde11c049e90808c4eae1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:42.277211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045007/publication.txt
observed 9e93c660af80a65d1df0d8403f0a3d4f...
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.