OpenTechnical

OT-2026-000088501

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000088501) never changes.

Identity and time

Publication numberOT-2026-000088501 · never reused
Internal UUID01a0ae9b-5d28-7919-8677-5b25168d6439 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088501
StatusPUBLIC

Content hashes

Canonical textf03bcbd974497e6fa9fc62a3f2427a085099f4b8133cb026f635023b995895c2
Markdown1984ca2949de0c6cc6d8b0e37837823d918816e0ac3596c218be76025a6a07e6
PDF
Publication pagec6fae1b95440d4cb2d21f330a45029db01ec89b7c500a86481d99cb894198634
Manifest700fb3cb2a27f1782f2ce739aae8a651ad91d2c65ad54ead75bb016185a5dbd7

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
Signatureuc2vjbiE40QsBSFk4OLXK269DnfxLH++zub0NwSexrkJ/N3WKGKNYunh3mwpVCU4k6dro13PkKpA0fOpMLH/BA==
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

2026-09-17T09:48:53.537257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088501
observed c6fae1b95440d4cb2d21f330a45029db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:53.518461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088501/manifest.json
observed 700fb3cb2a27f1782f2ce739aae8a651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:53.499054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088501/publication.md
observed 1984ca2949de0c6cc6d8b0e37837823d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:53.481414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088501/publication.txt
observed f03bcbd974497e6fa9fc62a3f2427a08...
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.