OpenTechnical

OT-2026-000103427

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000103427) never changes.

Identity and time

Publication numberOT-2026-000103427 · never reused
Internal UUID01a0aea4-e460-7824-9fb2-1093b26aebe3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103427
StatusPUBLIC

Content hashes

Canonical text1e48034207c997fcb04ddbef4d40e8a0797334d7220a29e054c1627ce15eb640
Markdown37e6e7255394007152823a874ad56a1a51c46932ffb1d56ada88b322d84970da
PDF
Publication page9658e8b2911b7e2f1934e549dd1044ac1dcec8854130426101aeb7f607d49290
Manifest107d533dc356fae563f29aec4ed3bc10b9e2f1300a036bd7df0143a4933f9eee

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
SignatureZ+q0f+4GJunDaw/Z/A8bhnUnlzFQ/QhWG7LWYWBRXqBkxbZqc88pkuTkJB9Jqfa1FVmBf7Vdokfen0wScDVtDg==
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

2026-09-17T09:22:10.623221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103427
observed 9658e8b2911b7e2f1934e549dd1044ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.606364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103427/manifest.json
observed 107d533dc356fae563f29aec4ed3bc10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.589554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103427/publication.md
observed 37e6e7255394007152823a874ad56a1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.572265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103427/publication.txt
observed 1e48034207c997fcb04ddbef4d40e8a0...
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.