OpenTechnical

OT-2026-000018716

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000018716) never changes.

Identity and time

Publication numberOT-2026-000018716 · never reused
Internal UUID01a0ae6e-d520-71a0-b649-b86b839dc689 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018716
StatusPUBLIC

Content hashes

Canonical text7c6e062c990e44844d977e30b9502e8ad4997e8c62b3c9fd2c0f329fd36cca79
Markdownbc19ed934eb699a27a3fe7daf23cabaaf889d2a07a8e27b4d7bb380b0c5ef2ea
PDF
Publication pageff9087aec35ca7017fe0795e4bfcc43770f96863307cb16385f6e9569a91cbe5
Manifest0c0a8dcb35fa833016538dbacddff3913cd036600d14ee1cad6da0393f431eba

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
SignatureVyAKAss/ZUdmIoMQQsKsXIEFE3Hx/7U6HuYbY3DN3p/4TKTQyEcEZAdi9ttZszGSqlV/UWTZlsOfb2fYsoDQDQ==
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

2026-09-17T11:59:19.232870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018716
observed ff9087aec35ca7017fe0795e4bfcc437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:19.213106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018716/manifest.json
observed 0c0a8dcb35fa833016538dbacddff391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:19.194661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018716/publication.md
observed bc19ed934eb699a27a3fe7daf23cabaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:19.177864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018716/publication.txt
observed 7c6e062c990e44844d977e30b9502e8a...
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.