OpenTechnical

OT-2026-000069895

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000069895) never changes.

Identity and time

Publication numberOT-2026-000069895 · never reused
Internal UUID01a0ae91-1860-7568-8f70-3f6ceb1d7f23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069895
StatusPUBLIC

Content hashes

Canonical textebbc5c468d36244009bf73e823813aab1dd2704d87dc21b556e76be0d1dfc237
Markdownbfcf2a18228b5caf2973d41cbc9aeaf288d7cccbc3fb22d4b70d5cb2705352a1
PDF
Publication page933f33d1b5f1ab6aeb3bf1a4869e38ed919893857247e6e58db9b0ef1c36bc03
Manifest5b8d90e9618c0884e6258798a7ea4e89941ad89cb8fb770c7b2c04826ff616d5

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
SignaturedPBMu74jjf0Fms56jpxdUYgiw7dkQEIbjzXSdkYtEbNbBICyxA+gVHiesoXD4UbEDmzM5rAQvcmKE53M5NSMAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:43.732640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069895
observed 933f33d1b5f1ab6aeb3bf1a4869e38ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.713747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069895/manifest.json
observed 5b8d90e9618c0884e6258798a7ea4e89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.696639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069895/publication.md
observed bfcf2a18228b5caf2973d41cbc9aeaf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.679560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069895/publication.txt
observed ebbc5c468d36244009bf73e823813aab...
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.