OpenTechnical

OT-2026-000061403

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold 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-2026-000061403) never changes.

Identity and time

Publication numberOT-2026-000061403 · never reused
Internal UUID01a0ae8b-7b42-722c-87b2-7289309a297e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061403
StatusPUBLIC

Content hashes

Canonical text9d1faee238577b0ef69b4c51772471681b58dfadcbf7c6a9cdf3b79b37930d3f
Markdown5eef9d12adbfd866ba25550c4adfaa3cf10233113cf9666e726d6e3144dbf62d
PDF
Publication page58708e3bdfe07469df908c0b846d7e6e6201d86f2175cc6b1b2616d13b6f9d3a
Manifest0a581a6f60a9258eb68e2d517a7145f509b5270bb90d4220d27bcee76542bf0b

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
SignatureoTb2gNkG9T2Foe0qyig/MmXFvWkyjWrXfXpadF0pl5UbTM0IbRMZFGahxr6EOS9vcuX4kvcTRsXmXp9/Iqm0DQ==
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...

Independent retrieval

2026-09-17T10:41:16.028329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061403
observed 58708e3bdfe07469df908c0b846d7e6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.009845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061403/manifest.json
observed 0a581a6f60a9258eb68e2d517a7145f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:15.992142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061403/publication.md
observed 5eef9d12adbfd866ba25550c4adfaa3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:15.976539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061403/publication.txt
observed 9d1faee238577b0ef69b4c5177247168...
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.