OpenTechnical

OT-2026-000075548

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line 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-2026-000075548) never changes.

Identity and time

Publication numberOT-2026-000075548 · never reused
Internal UUID01a0ae94-29fc-7389-a164-601dec85976c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075548
StatusPUBLIC

Content hashes

Canonical text98581503ee8bc0a354ddde35c6f2854e79b8e47a5769b44b1eb39af485b2bf99
Markdownb50ea92bc056146b0665324d8de97e77da3d338f64bb9e1a654cb2cdd0e2468e
PDF
Publication page5fc2bb49336b4cbb5339e521efd1dfa5b13afa6dfd86fda18c5dc6ef880d52be
Manifest7dd57c8f9f7259a81434fd4979cf89b62a694d6cfc7556a65cc90300a70a6868

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
Signature2jcQaV0W/lxPv4gMbv1YwZ1Dka/pcuWF3/ciTVGveWcS+fJpak/n2OrUv4Mm+N7kQbn8Bg473J8YFHgzs4kyBg==
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

2026-09-17T10:13:04.563019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075548
observed 5fc2bb49336b4cbb5339e521efd1dfa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:04.542899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075548/manifest.json
observed 7dd57c8f9f7259a81434fd4979cf89b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:04.524090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075548/publication.md
observed b50ea92bc056146b0665324d8de97e77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:04.505170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075548/publication.txt
observed 98581503ee8bc0a354ddde35c6f2854e...
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.