OpenTechnical

OT-2026-000068330

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000068330) never changes.

Identity and time

Publication numberOT-2026-000068330 · never reused
Internal UUID01a0ae90-2480-74d9-9245-ce70e7801f24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068330
StatusPUBLIC

Content hashes

Canonical textacc22816df2507ab563bc844fe603497bf0b90626383921a250a4b1f6ba9019a
Markdownb2ad1aed28da9427acbe91360bb7b262f90f592f16cc373defdb8f187bba62e3
PDF
Publication paged84b6fdac66971415a5de428f2d0c200cdf1275d47b0ac0afbb353fe3193d621
Manifest00eadedd65ef10b345120e5029fdfd6ea883bfb812c904c4da4f7cd0b6c27d25

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
SignaturegggEcCUhglGpdwPpiyXqOCRZTFZq2S+6xRiIgB18VK/L/JJjSFF665ADM+14+NCM12vo7jnXPduOUwxFF3zkAg==
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

2026-09-17T10:29:22.312583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068330
observed d84b6fdac66971415a5de428f2d0c200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.295886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068330/manifest.json
observed 00eadedd65ef10b345120e5029fdfd6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.278616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068330/publication.md
observed b2ad1aed28da9427acbe91360bb7b262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.262143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068330/publication.txt
observed acc22816df2507ab563bc844fe603497...
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.