OpenTechnical

OT-2026-000103942

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pulsed blow-off after 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-2026-000103942) never changes.

Identity and time

Publication numberOT-2026-000103942 · never reused
Internal UUID01a0aea5-15e8-71b9-8bc9-c69c1058b927 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103942
StatusPUBLIC

Content hashes

Canonical text458d7b3826362c0c24e22b3fd2809d5b29904bebc5083d6debc3cecedf1e346d
Markdown5dc804a5ab378c4bfa79462bc1d7bbc5f0bec23e75d8ded6d113833b00cf84a2
PDF
Publication page37ffef8a3a5af368a62e1df3d33ffeecf3a2095bf3e70e090d764c5cbcb22c1c
Manifestc2c2ace3f69647d1a5a38db63a8398688d2f3b744fb143d61ff348818d91e896

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
Signaturesqi+3u22U7ZfEvclfAiuF7CgSG13ddmTuygiLfKF/moj2ysxINuYUnC/nFcJGUWooDWluoF74i5Ob1nkJYVsBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:56.518629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103942
observed 37ffef8a3a5af368a62e1df3d33ffeec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.502331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103942/manifest.json
observed c2c2ace3f69647d1a5a38db63a839868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.486824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103942/publication.md
observed 5dc804a5ab378c4bfa79462bc1d7bbc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.469592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103942/publication.txt
observed 458d7b3826362c0c24e22b3fd2809d5b...
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.