OpenTechnical

OT-2026-000078672

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000078672) never changes.

Identity and time

Publication numberOT-2026-000078672 · never reused
Internal UUID01a0ae95-ccbb-75e3-963f-3a7467b3213d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078672
StatusPUBLIC

Content hashes

Canonical text04771a5855fe22401a7d599812c5d2af5c97c07ddbb9f66628042bd81bfedabf
Markdown5c3fc93a21a18bce53b1874d20a53c9269a037d8e4a216a9ac7865aa4e4a2cfe
PDF
Publication page74d90989d091ea30157d96d25b0c57016ce60f8b17a66639c0b3a4ffc78715e6
Manifest656fda6d5a4c1e4d970328d90e83026a839da95857da30b60bfc062adde7b082

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
SignatureQ5nKaClt+MqLqC9VFpyhGAuKfYuyY/pMFi03kvqT63xUdbPk5yb3QkSsKx9SXEJjehxWNS090a3LYWj3DNw2CA==
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

2026-09-17T10:05:26.863862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078672
observed 74d90989d091ea30157d96d25b0c5701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:26.845520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078672/manifest.json
observed 656fda6d5a4c1e4d970328d90e83026a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:26.825832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078672/publication.md
observed 5c3fc93a21a18bce53b1874d20a53c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:26.807481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078672/publication.txt
observed 04771a5855fe22401a7d599812c5d2af...
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.