OpenTechnical

OT-2026-000061815

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000061815) never changes.

Identity and time

Publication numberOT-2026-000061815 · never reused
Internal UUID01a0ae8b-b8ac-75ca-8cd7-2ef21e6d66e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061815
StatusPUBLIC

Content hashes

Canonical text3504b3df04822f9a39bf0035d5502281b6b79c26bb1f406c5c4bbaaa2d9890c5
Markdowna988169ee6ad83ec2f7c335dc574319444e21fbfb21307f83906975c1bdf6120
PDF
Publication page8644ea10f77429b3c4b31e5e2fd788d820f780f4019596a03691fc88839e8856
Manifest6ee65dab7fe26afa506c3a385fb5d36b96add5c4354e554df00a22158667333c

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
Signatureuknvy0jihfQaPeyJlNZuJrNmnF0UPPQRQAp47iNE5aguyarXts5EmmTFHN/q4MDxozhsQeRJW5PoGepCB3ZBCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:32.788044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061815
observed 8644ea10f77429b3c4b31e5e2fd788d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:32.768462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061815/manifest.json
observed 6ee65dab7fe26afa506c3a385fb5d36b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:32.750902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061815/publication.md
observed a988169ee6ad83ec2f7c335dc5743194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:32.731818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061815/publication.txt
observed 3504b3df04822f9a39bf0035d5502281...
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.