OpenTechnical

OT-2026-000027156

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000027156) never changes.

Identity and time

Publication numberOT-2026-000027156 · never reused
Internal UUID01a0ae72-3454-78f3-b26d-2434e3d687aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027156
StatusPUBLIC

Content hashes

Canonical textc7ac25100ae3e96106b3604a5f5a426b474a01f3da70e21a698eef3694302b2d
Markdownc57ddf8564429cd2f5c1de7ece2b2895e5e2f46e72a3c4542f68ed2cba0cbf7a
PDF
Publication page255903e4dcbdd5e915bd297f78aec6de64c226b99402acc54191380332bb7f20
Manifestf8dd08625e8a31c6894631870dbbeb459a64f33e78a11b8f7acf2050fce38ddc

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
SignatureL4id0ydUy/RlsIAdf4mM9Qf/oXnb9YMrguBa0a0TQRpimt5dL36vnxhETZHo2BLA3E3B7G32MvYcj+BSI+/HDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:43:56.163506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027156
observed 255903e4dcbdd5e915bd297f78aec6de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.142533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027156/manifest.json
observed f8dd08625e8a31c6894631870dbbeb45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.124115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027156/publication.md
observed c57ddf8564429cd2f5c1de7ece2b2895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.108600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027156/publication.txt
observed c7ac25100ae3e96106b3604a5f5a426b...
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.