OpenTechnical

OT-2026-000072816

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000072816) never changes.

Identity and time

Publication numberOT-2026-000072816 · never reused
Internal UUID01a0ae92-89da-7f2f-bce7-35be9d677995 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072816
StatusPUBLIC

Content hashes

Canonical textaefcfa46b059d6b9a80e9bd651f56cda6a5d87d395adcf2d3f5bc02eb385c1d6
Markdown4c92644f65fc4b366a36248b4854a0b37350bffc59efc677b5d685871567119d
PDF
Publication pagea65619402292efa397527e49f833ea6f82175caac39ba03471c076cd3702738f
Manifest833b988ed447fcf13294757377c2c126043294022074003db19fecec2facd800

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
SignaturePwkkswfSbH6cexpXKWhyX3OEZ5uEh5gUVLNCIvKGirx4LrcBQHn0lPdgrJqRkVJIMK5eB8y+qTB3bkX6B3NqCQ==
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

2026-09-17T10:22:44.035514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072816
observed a65619402292efa397527e49f833ea6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:44.017167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072816/manifest.json
observed 833b988ed447fcf13294757377c2c126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:44.000593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072816/publication.md
observed 4c92644f65fc4b366a36248b4854a0b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.982891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072816/publication.txt
observed aefcfa46b059d6b9a80e9bd651f56cda...
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.