OpenTechnical

OT-2026-000017132

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000017132) never changes.

Identity and time

Publication numberOT-2026-000017132 · never reused
Internal UUID01a0ae6e-76c7-7979-87c6-2d450482c271 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017132
StatusPUBLIC

Content hashes

Canonical textd236bd8706fcff29dd3ed8e26ce4e5d903d0913e3a86cb16d1f9389dfd88f680
Markdown0d74294f445050cacd5294d664ef4b0b9dd1dd2e6acbdd28056f5666e947b94d
PDF
Publication pagef28ada4e2274c4839b776bfc718ea58bdc68e5fddf2498be76df04d3577b3e6c
Manifeste10a10150ca6476da4042d0ba4a47cdb2d18233c2d9eea474ff81cf4653339a2

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
SignatureOyI5TrBT9jW2wbJoKbENCw0lpuHycTguVE2qyIu/5NSHA1Qts5FgcDSZoYj7cIEXZR9vXc/kGoLE+diSHpvQCA==
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

2026-09-17T12:02:11.384078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017132
observed f28ada4e2274c4839b776bfc718ea58b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:11.366997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017132/manifest.json
observed e10a10150ca6476da4042d0ba4a47cdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:11.316588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017132/publication.md
observed 0d74294f445050cacd5294d664ef4b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:11.264699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017132/publication.txt
observed d236bd8706fcff29dd3ed8e26ce4e5d9...
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.