OpenTechnical

OT-2026-000078161

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000078161) never changes.

Identity and time

Publication numberOT-2026-000078161 · never reused
Internal UUID01a0ae95-6e8c-722a-9421-a9fd31e4110e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078161
StatusPUBLIC

Content hashes

Canonical text67ea038ae8908b7d40e745b91641a8d44c99bce698c59f49247aa78c58dfc490
Markdownebdd8ea335bc3c4c0c31a5d8069842fed49f95d4e17d78ed56f2721eda8eb71b
PDF
Publication pageda4ab9560f20f8610d70b1a5482509e31f96c4b926c04008042d17d80608ab46
Manifestb32b05cac464a8fdc938c94f0eb5c056f8d278c3846d2a84bb66531f52b3aa3c

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
SignatureVMANcWUnJlUqZFkl1WXcR0vkT1GCAPI9EfGPr6NpwIneawSbbcp87dRR+VkAIjaRPiBKlok+PZy57C63cAYWAg==
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

2026-09-17T10:06:52.649186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078161
observed da4ab9560f20f8610d70b1a5482509e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.630425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078161/manifest.json
observed b32b05cac464a8fdc938c94f0eb5c056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.611790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078161/publication.md
observed ebdd8ea335bc3c4c0c31a5d8069842fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.590023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078161/publication.txt
observed 67ea038ae8908b7d40e745b91641a8d4...
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.