OpenTechnical

OT-2026-000101181

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000101181) never changes.

Identity and time

Publication numberOT-2026-000101181 · never reused
Internal UUID01a0aea3-c378-7fd1-9703-4430529bdd2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101181
StatusPUBLIC

Content hashes

Canonical text27ec817f53bcdb409ccf8c12d691e8d20cf73f58ac2a6c46ce5bd2a7f17fe929
Markdowndbf28988c3002c54a2b2abf9a7315f69313403fca9492988b6300d975ad8466d
PDF
Publication page17ce538049d2de5301dbc3a92adb93a9c672460d3532a0fae8b9e517ee43a7f5
Manifest97b554783c7d7f99312ef068574ba0b0736a5cc3f4c78a6a58b8a77919923fc5

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
SignatureocHZEK2elUKLO+vmIJiNt9nVV+LPsmnQr0VbxlK+gRUJLXN1OtLhe9dZ86fHZaXXnwqTjwGBt+lrn6wUbCVMBQ==
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

2026-09-17T09:26:49.609927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101181
observed 17ce538049d2de5301dbc3a92adb93a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.591429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101181/manifest.json
observed 97b554783c7d7f99312ef068574ba0b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.574888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101181/publication.md
observed dbf28988c3002c54a2b2abf9a7315f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.555206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101181/publication.txt
observed 27ec817f53bcdb409ccf8c12d691e8d2...
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.