OpenTechnical

OT-2026-000066720

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000066720) never changes.

Identity and time

Publication numberOT-2026-000066720 · never reused
Internal UUID01a0ae8e-ce42-7e08-aef8-8f133256d8e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066720
StatusPUBLIC

Content hashes

Canonical text6c3f4259d1e7215dec137341fd7f460570fb591c561bcd4491a67cb9e5ac7ac2
Markdown0cf561ef7592456ebc171b36e760a05046ac23a98cde714448fef6d43c480b68
PDF
Publication page1f1be3d9dc5f46eaad2ce5f0969e444f680b1cbb26fb634f6f7451f4d7e53809
Manifest7472d20e7b275f108742804f46a6462522799dec1f8ab391cbbf91f9b8dc1e57

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
Signature5elyZppJnLuRVMfyLfdBiVbDbraj0So73fAOw8j9TiOZ1YenQ2LY29x02kcZs8lqCisjGUdBYoxTwF1kPd0ECg==
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

2026-09-17T10:33:07.455489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066720
observed 1f1be3d9dc5f46eaad2ce5f0969e444f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.436130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066720/manifest.json
observed 7472d20e7b275f108742804f46a64625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.417703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066720/publication.md
observed 0cf561ef7592456ebc171b36e760a050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.401044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066720/publication.txt
observed 6c3f4259d1e7215dec137341fd7f4605...
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.