OpenTechnical

OT-2026-000076715

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000076715) never changes.

Identity and time

Publication numberOT-2026-000076715 · never reused
Internal UUID01a0ae94-b06f-7d24-870e-c8f740fc869b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076715
StatusPUBLIC

Content hashes

Canonical text61291111370dc65342fcc0ffe5601a47e33b6e26ea9d2bc4f005c5f450e4dd08
Markdown6192e5bbc2010cffca32edd26257bf1a418f83ff5431553231e9836c82dee21a
PDF
Publication page1442419161b306a434db11be9ee48e46ac4a6f2fac23586ff3a393c2f4c1416e
Manifest86fa0511aa8bed642802a7eef05fff653ee1c655b7ab7d22f482a5b347057ff1

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
SignaturejblqyZ6hX/2iVBcv515PRQgrk+l5g8uxHEkLwtyKNHf8apdIrlVATyaIs/4Xchff920E2EEAkMvOpsE1O/wUBQ==
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

2026-09-17T10:09:29.037425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076715
observed 1442419161b306a434db11be9ee48e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:29.017857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076715/manifest.json
observed 86fa0511aa8bed642802a7eef05fff65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:28.996724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076715/publication.md
observed 6192e5bbc2010cffca32edd26257bf1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:28.977253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076715/publication.txt
observed 61291111370dc65342fcc0ffe5601a47...
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.