OpenTechnical

OT-2026-000061251

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000061251) never changes.

Identity and time

Publication numberOT-2026-000061251 · never reused
Internal UUID01a0ae8b-1382-740f-b1cd-2b6bd521756e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061251
StatusPUBLIC

Content hashes

Canonical text7617dc3d759a3e2c9d6e431c4ba8ba4db6b338f781c8cc852a414223bedac357
Markdown30c02521f8dcf433554e58d655a56766bd0e82ee38ec99d925ce4ed6c3476a1a
PDF
Publication page152b5c4f4062b5ece08f96000b12caf5a35b9a665e3908ea67d8d631d584d4dc
Manifest673f51239d6bbd6344b39d9c356efe826722e8946062f3bfe0a73a674aa841e6

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
Signature8W3NqOof3KGQrtwWLQ/vOAkJC/jKVrW7iZNVmuelalyRrnQJRIs7Yg8hpGC/f1TeyS4sNF7REHK9N8JTwihLBw==
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

2026-09-17T10:42:39.998307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061251
observed 152b5c4f4062b5ece08f96000b12caf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.979607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061251/manifest.json
observed 673f51239d6bbd6344b39d9c356efe82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.959885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061251/publication.md
observed 30c02521f8dcf433554e58d655a56766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.940639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061251/publication.txt
observed 7617dc3d759a3e2c9d6e431c4ba8ba4d...
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.