OpenTechnical

OT-2026-000078059

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off 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-2026-000078059) never changes.

Identity and time

Publication numberOT-2026-000078059 · never reused
Internal UUID01a0ae95-6e8c-7e87-a746-2b1cae7eb8be · 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-2026-000078059
StatusPUBLIC

Content hashes

Canonical text7d757e73953f5ead7a0b8ae10c3c308f8c2bed3764a0220063f8c4c0f4705412
Markdown813196233902de6d0cfdf7a897675168623ba2bfd87f04007007bd3c04805443
PDF
Publication page9925b3064823374f71cfd2bf9ee44c7d6cbbda4df525a9162c790fcf1733517a
Manifest0e84efe197396841e5721eaf783e6e3b1e34ad892bb1725630d9d85ca4e4a5c3

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
SignatureZ+WHz9a/WCbUIxBimQ7FU306RmPvPoTIlmG8CM56zhknrYXcLzdCERRnzAsqJ1HOQemVMBYOThiEpDhr+9jUDA==
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

2026-09-17T10:06:45.858514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078059
observed 9925b3064823374f71cfd2bf9ee44c7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.838741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078059/manifest.json
observed 0e84efe197396841e5721eaf783e6e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.817627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078059/publication.md
observed 813196233902de6d0cfdf7a897675168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.797163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078059/publication.txt
observed 7d757e73953f5ead7a0b8ae10c3c308f...
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.