OpenTechnical

OT-2026-000022987

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000022987) never changes.

Identity and time

Publication numberOT-2026-000022987 · never reused
Internal UUID01a0ae70-46ec-7469-bb44-ec282ae45719 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022987
StatusPUBLIC

Content hashes

Canonical text7f8a54774986513c96cdd43f475c4104a4c10d12250762e882f6ea4c4800c0c1
Markdowne0dcaaeefcbf4d01cfd346c58ab4b38971025a53b654ad55880efdf3b59e5ca5
PDF
Publication pagef884c91f9d329513a46667a122157687b357dc3042cf08d21992c3ca394a9bcf
Manifestab7e7cf9bd33f4ae6448f954b13613d0de47fde2d0903bca136ec6c0650f2e4c

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
SignatureE/cs1XM9Tg97j3P2PMv/BsVrqkP7MYMYfQomfoz98hpnEghEXTcaq0873XeJqtpZ/lPl7zDVDvSPohhkM5OzAQ==
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

2026-09-17T11:52:34.716940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022987
observed f884c91f9d329513a46667a122157687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:34.701488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022987/manifest.json
observed ab7e7cf9bd33f4ae6448f954b13613d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:34.684983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022987/publication.md
observed e0dcaaeefcbf4d01cfd346c58ab4b389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:34.668097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022987/publication.txt
observed 7f8a54774986513c96cdd43f475c4104...
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.