OpenTechnical

OT-2026-000068214

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000068214) never changes.

Identity and time

Publication numberOT-2026-000068214 · never reused
Internal UUID01a0ae8f-c4ff-7726-bcdb-b7a969b8ba3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068214
StatusPUBLIC

Content hashes

Canonical text63376e8413ea4d10cde3028899732048cf415fccb1deba588565087121eed4ad
Markdownb2aae99effe34b0b98596b5396e26118f4d01a813792312a83a6a8a195bfce99
PDF
Publication page2f8f2958caaf46db1f01e1520026c5632dcc368b50ba48c895fd7b98a1104ac9
Manifestd653094b980defcedd20b436bb156c32e4d36a79ec77ef1370d8a69352c4c42e

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
SignaturevBo/UtOiKefDUoXOYnp/A5Y94kJYeLkXavOxXeQnaxGcroP55TWsh3YHDHUFxDLJTfqNFUUvJ36sDLO9JcdQDg==
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

2026-09-17T10:30:52.692931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068214
observed 2f8f2958caaf46db1f01e1520026c563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.675665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068214/manifest.json
observed d653094b980defcedd20b436bb156c32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.658998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068214/publication.md
observed b2aae99effe34b0b98596b5396e26118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.641731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068214/publication.txt
observed 63376e8413ea4d10cde3028899732048...
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.