OpenTechnical

OT-2026-000038155

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000038155) never changes.

Identity and time

Publication numberOT-2026-000038155 · never reused
Internal UUID01a0ae77-f88c-730b-a488-79cf10365c25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038155
StatusPUBLIC

Content hashes

Canonical text99597061ae0be29eac18671c8e7e2acd6d3a902d32aa0dbc58cf335f4b45b9fe
Markdown549b82edc554c28ff80272f95f07548fd759b104644c4f034a15c5dc16c47e94
PDF
Publication page15fcb3e576e42e4c601120c9d079192fb6821003a33ccef0a381e596d6710d0c
Manifestdfe9e0be554623d32dc727e0de67590b62005f681b2608c9ddf1865a723f18b0

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
SignaturedjGv9Op29XdgC7AA5Jmqo4o097/CSGLjaRatQtTMJvJxvI/nA86MjCmPNUUtE5TGft5HhmccBEZ1Fs/E2UpGAg==
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

2026-09-17T11:23:30.345574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038155
observed 15fcb3e576e42e4c601120c9d079192f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:30.327766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038155/manifest.json
observed dfe9e0be554623d32dc727e0de67590b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:30.311127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038155/publication.md
observed 549b82edc554c28ff80272f95f07548f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:30.294470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038155/publication.txt
observed 99597061ae0be29eac18671c8e7e2acd...
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.