OpenTechnical

OT-2026-000078121

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000078121) never changes.

Identity and time

Publication numberOT-2026-000078121 · never reused
Internal UUID01a0ae95-6e8c-7d33-926b-38bda6dd2852 · 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-2026-000078121
StatusPUBLIC

Content hashes

Canonical textee000d9eef8f04fae8ede40e29203266241a16a551f8ec6f7e3d2d697a759957
Markdown73144a286e0e56df1b3e8abf9f02a841a37472f26b5f148d9f067ac6d1f6ba52
PDF
Publication page0bf4f6721a4c128314baf9649a7ed781ec63c6ca4925db027d31ff86f4af2da5
Manifest1559527131847b3a6bd744adc5f6ea07d784eadc0315088c0324985e8a83da6e

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
SignatureQLO6XPq3iNoZy8wnx8xOyaJX2ujgRi8DQYwN9e6YEmiYoGf5lt3aoNjnQO1jyBRx74d4aT+oKIagQREKueS9DQ==
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

2026-09-17T10:06:49.874219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078121
observed 0bf4f6721a4c128314baf9649a7ed781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.855609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078121/manifest.json
observed 1559527131847b3a6bd744adc5f6ea07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.835896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078121/publication.md
observed 73144a286e0e56df1b3e8abf9f02a841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.817465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078121/publication.txt
observed ee000d9eef8f04fae8ede40e29203266...
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.