OpenTechnical

OT-2026-000069838

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, vented 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-2026-000069838) never changes.

Identity and time

Publication numberOT-2026-000069838 · never reused
Internal UUID01a0ae91-185f-7dd2-aa9f-67d804b4aa1f · 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-2026-000069838
StatusPUBLIC

Content hashes

Canonical textc4621b7b4cef34e9344c9bb1c539fd1d65bb0b1078c724f61a0eef3ae83f6cea
Markdown7edf89462f3da52ca263f4c3631ef7a704946093757df01bb55f3782d67739fa
PDF
Publication page1e4edab44cd4786986838e2df8da432b394b3adeb07ea990e1922b53caecdfa4
Manifest6527c0f2e373f89b4f92446f2cc56832b4cbe77ed9466409e7731cc788d31b7e

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
Signaturep+RVff2U2iE+TKooZw6o7mEgjvtmWQJEBCKDXWB8ChPDaW3yKWjFqnxcB8qu/H7y6Qy0Rm3px/dtB4WldhGLAw==
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

2026-09-17T10:26:40.199654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069838
observed 1e4edab44cd4786986838e2df8da432b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.181744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069838/manifest.json
observed 6527c0f2e373f89b4f92446f2cc56832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.164892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069838/publication.md
observed 7edf89462f3da52ca263f4c3631ef7a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.147760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069838/publication.txt
observed c4621b7b4cef34e9344c9bb1c539fd1d...
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.