OpenTechnical

OT-2026-000102733

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000102733) never changes.

Identity and time

Publication numberOT-2026-000102733 · never reused
Internal UUID01a0aea4-858c-770c-b711-39f3ee2934a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102733
StatusPUBLIC

Content hashes

Canonical text5b2210c2806626cca959b631b427682b663f64a631674e870cb815f64080f9e7
Markdown44ffcc821fc9a0c3112f40261219ca1fca32b4f28ee455d0d4e969bfec600156
PDF
Publication page4d5f46644b19ff8702f65d100979c55bd2034293e012bfd2242410d67aff7326
Manifest53f3582917ad0a9646758c32f39eff0e9f46e05304d867df8d11c656356a9d59

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
SignatureWJWztU//puudHpfFdK8mOVM2mR+VcQ/Xqxf/8b2S3RRcVot/vYL2cFS+O4z3JvNxnrVIray4QTRZu84W6N0/Ag==
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

2026-09-17T09:24:15.066754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102733
observed 4d5f46644b19ff8702f65d100979c55b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:15.049612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102733/manifest.json
observed 53f3582917ad0a9646758c32f39eff0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:15.030954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102733/publication.md
observed 44ffcc821fc9a0c3112f40261219ca1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:15.011389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102733/publication.txt
observed 5b2210c2806626cca959b631b427682b...
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.