OpenTechnical

OT-2026-000101130

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000101130) never changes.

Identity and time

Publication numberOT-2026-000101130 · never reused
Internal UUID01a0aea3-c378-799b-aec9-61d3022b3309 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101130
StatusPUBLIC

Content hashes

Canonical text3fb3497c8d63c89053b1d092704c36523d43911909aa2892cce5ad7f08e25f8a
Markdown8aac3d59f83599717e2e82942bcd171e4ee671914ec7695b11b7a4aefefb08f4
PDF
Publication page457248d78b4e225a7e0839fd1f23710077291c4a8ca3c2b7dc5090d6be5bded9
Manifestf0157467b9f68f99def74b10348a3580871844298e6fe52ef232cb671a8651b2

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
SignaturerI5wDPR3X7eyMu0+qqkAT4fBTigFRPuD4xgaauXFJm9niwMu6/xz1bzGYOtlsQGWr7QNwYDg4WE916xUL7BlCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:45.619258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101130
observed 457248d78b4e225a7e0839fd1f237100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:45.602303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101130/manifest.json
observed f0157467b9f68f99def74b10348a3580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:45.585559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101130/publication.md
observed 8aac3d59f83599717e2e82942bcd171e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:45.568391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101130/publication.txt
observed 3fb3497c8d63c89053b1d092704c3652...
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.