OpenTechnical

OT-2026-000012563

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, pulsed blow-off before 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-2026-000012563) never changes.

Identity and time

Publication numberOT-2026-000012563 · never reused
Internal UUID01a0ae6d-39f7-7f8e-b580-dae68522a3a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012563
StatusPUBLIC

Content hashes

Canonical text6b1558dfefc7454bd4a451638869d47b625da7c5282ea1f7c1c2a113fed2fcdd
Markdowna96b0e0ca5a9a7b628c26d2cf742124092c5aec510df556c5b25acc20eea37c5
PDF
Publication page5349db73478ff7a2c8f7a51249a937b488c4dc9c191a6c3437799d1c3c980a0c
Manifest97afc614be0dd4a048321125e229207741d99dfdc8bf2cc998897792a56f1d9d

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
Signatured6Rmd0jFzPUqR2k1Mvmjc0kREV5uXpE4rkic6dw4LJY6/0L+HKqLUxkbNpHK+3crmL7un3pzzmdzoHkape7tAA==
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

2026-09-17T12:12:06.699528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012563
observed 5349db73478ff7a2c8f7a51249a937b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:06.682119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012563/manifest.json
observed 97afc614be0dd4a048321125e2292077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:06.663189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012563/publication.md
observed a96b0e0ca5a9a7b628c26d2cf7421240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:06.644547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012563/publication.txt
observed 6b1558dfefc7454bd4a451638869d47b...
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.