OpenTechnical

OT-2026-000016841

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000016841) never changes.

Identity and time

Publication numberOT-2026-000016841 · never reused
Internal UUID01a0ae6e-5919-7826-957b-2640adfba650 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016841
StatusPUBLIC

Content hashes

Canonical text6bf1dc74ecf9b10394500228ee91e675b3397429f4cba573346dab4d384eca6f
Markdown0692a4cadcd16dd12f02b836da13fea797032b1723214fe316d1392d0216fc88
PDF
Publication page755fa6495d43fe017044772e0b2626c3b8549014debc40edcc4f5a05573e6809
Manifest3e637b97d8a30af0c0ec2652d98471e9be669139ed06d887d40e5c34fc111660

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
SignatureHvgm0s25uQdOdkqdCtFtVN1nfh5MmYxygdO2AzCB/g6I+qlUIEjGqoS7Y/G8x4Rp495+j3BrxeC0rjSJ66ZzAg==
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

2026-09-17T12:03:06.163059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016841
observed 755fa6495d43fe017044772e0b2626c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:06.145799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016841/manifest.json
observed 3e637b97d8a30af0c0ec2652d98471e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:06.128941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016841/publication.md
observed 0692a4cadcd16dd12f02b836da13fea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:06.112033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016841/publication.txt
observed 6bf1dc74ecf9b10394500228ee91e675...
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.