OpenTechnical

OT-2026-000076163

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000076163) never changes.

Identity and time

Publication numberOT-2026-000076163 · never reused
Internal UUID01a0ae94-6a6f-73a9-8fba-3b0c46e2704b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076163
StatusPUBLIC

Content hashes

Canonical textbd9d357b046b15d6c85ae93d49bd5299fbc83767a06e1e640595d05530c2a47e
Markdown991cef84a1d141d7d0f20b0e26adbeb571e9eb40a74484a947aa6352433b9112
PDF
Publication page1e61fc11d38b79639daf649a8918e3971061dda82fe0e225f4c05c27e8dd0b89
Manifest380691e4d6121cc915795f678587de3642a8f916b4165f9c0c45d0eb9266d7c2

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
SignaturelD+d/4pH4xOz8m0BgMbi+2XwsXo3sidpWbkLm070yH6PAzAEz28Hex54W7JxTLB2fj15l8RJF+HaIfO/dXtoCw==
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

2026-09-17T10:11:22.301145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076163
observed 1e61fc11d38b79639daf649a8918e397...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:22.283292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076163/manifest.json
observed 380691e4d6121cc915795f678587de36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:22.260816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076163/publication.md
observed 991cef84a1d141d7d0f20b0e26adbeb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:22.239729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076163/publication.txt
observed bd9d357b046b15d6c85ae93d49bd5299...
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.