OpenTechnical

OT-2026-000073606

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000073606) never changes.

Identity and time

Publication numberOT-2026-000073606 · never reused
Internal UUID01a0ae92-efb9-7627-a4f0-6ead71b97e90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073606
StatusPUBLIC

Content hashes

Canonical text10a0d62b7d8ec532941fba4f00305220cf071c06202ebd88677844186a8870dd
Markdownec5b84d319bc31f0684b87918ec125411d97de2c17a8165a032792cf6998cf8d
PDF
Publication paged6f46bbfc4fdab48754fda9e20b03d68a1c47335d0483d6ed77e8eecb8cbeeb1
Manifestfecaaf7fa99703d7d8455f531f48cfbccf753410e99ade63877ecc93c1584535

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
Signature+fiyZpXuNM9IPDJzjyz5HbpSv8d+21SiZajFLdx3i2Xnr/gy4Wgl4XuPRSR77uY9fBsoI0l89tgIalKamTZ5CQ==
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

2026-09-17T10:21:47.442989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073606
observed d6f46bbfc4fdab48754fda9e20b03d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.424700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073606/manifest.json
observed fecaaf7fa99703d7d8455f531f48cfbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.405962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073606/publication.md
observed ec5b84d319bc31f0684b87918ec12541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.380174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073606/publication.txt
observed 10a0d62b7d8ec532941fba4f00305220...
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.