OpenTechnical

OT-2026-000055535

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000055535) never changes.

Identity and time

Publication numberOT-2026-000055535 · never reused
Internal UUID01a0ae86-a102-7a93-b281-78ceece58df4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055535
StatusPUBLIC

Content hashes

Canonical text785b4a0b841dcd43d89afba482da314b5d3a575129fe75d0cf6ad8840cbdf74a
Markdown54da8e356b59b651b468fee10996514d65d4b7f13de795f09dd0c001d2e34dd2
PDF
Publication page08c997a20f456410f97b6fa9d924e1a17302ca91a95db1d5da13acf5983c84d9
Manifestbdbc8fa26d478f3081bcf5a4a8b5756499dc50d92c4928aaf641927462194433

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
SignaturetlJOgEHAw3+2R5I43rDScFya+TOkGg4CxyqK27MXN3kSC1rNlwcWCHg+orIV2B5H6EXE7ug7LWixVtcOnA5pAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:45.038350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055535
observed 08c997a20f456410f97b6fa9d924e1a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.021728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055535/manifest.json
observed bdbc8fa26d478f3081bcf5a4a8b57564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.005617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055535/publication.md
observed 54da8e356b59b651b468fee10996514d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:44.989470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055535/publication.txt
observed 785b4a0b841dcd43d89afba482da314b...
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.