OpenTechnical

OT-2026-000015137

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000015137) never changes.

Identity and time

Publication numberOT-2026-000015137 · never reused
Internal UUID01a0ae6d-ef47-7cb9-a426-c28311ee6952 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015137
StatusPUBLIC

Content hashes

Canonical text88bcbb1f52df9b2568807d0fcdc29918e444b9ea6ebd646495637932d78869a7
Markdown9d7c55dcbe87807a913b9494d6dcf5f0696c3a9d8917ad1a1d5de059cd90b32a
PDF
Publication page699a8048cfed6e67a1c8abf3fc21b62d73a0d0dc35c6c59671443e214716615f
Manifest95c9b0ae892f3c638d7d9f43392969e251e4896c187fa072000f350f781abb4d

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
Signatureyb7YpyW64CtXfyVZRwnmNo7dFz5/Svc/ulsw8oV6FkOUxRKA9DH5yXDFlhybQv6Rm9UPfuNiKiufeTIM/fQOAw==
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

2026-09-17T12:05:44.382269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015137
observed 699a8048cfed6e67a1c8abf3fc21b62d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.361840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015137/manifest.json
observed 95c9b0ae892f3c638d7d9f43392969e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.341840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015137/publication.md
observed 9d7c55dcbe87807a913b9494d6dcf5f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.320689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015137/publication.txt
observed 88bcbb1f52df9b2568807d0fcdc29918...
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.