OpenTechnical

OT-2026-000070714

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000070714) never changes.

Identity and time

Publication numberOT-2026-000070714 · never reused
Internal UUID01a0ae91-8c2c-747e-a842-c89e59e11df1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070714
StatusPUBLIC

Content hashes

Canonical textb10dee4dfd6b7d99a28cbf76bb7edff3205d2a2e4aeced1cdba9789e1ec7d3f6
Markdown33f8c570c033a30545412e8850bde6ca5f497e67dbcb484a6be48493f6c84b34
PDF
Publication page023c8d7137cccb34cdff603395308503ae95abbd6d4b37f31e84e2d59b08e7c8
Manifest6f300b09075221ca00dca38749280448ea35e2a1e6f61190a8ec901e1df7ac14

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
SignaturelsqmTw/xh/MTyFfIe3kjgsTB593j1OygPo6+px6r2n0fegCd7rj+GG8QN47vLeIPtKW+RnYXKOH8qRwWYVkkCw==
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

2026-09-17T10:25:24.230057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070714
observed 023c8d7137cccb34cdff603395308503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.213383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070714/manifest.json
observed 6f300b09075221ca00dca38749280448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.195094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070714/publication.md
observed 33f8c570c033a30545412e8850bde6ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.178178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070714/publication.txt
observed b10dee4dfd6b7d99a28cbf76bb7edff3...
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.