OpenTechnical

OT-2026-000017438

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, supply line 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-2026-000017438) never changes.

Identity and time

Publication numberOT-2026-000017438 · never reused
Internal UUID01a0ae6e-76c9-7454-a7c8-3d10b1102de8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017438
StatusPUBLIC

Content hashes

Canonical textf1472c390b8849ef91fb32da1e795320ffdd5add1f15f0533c551d82549ac8e1
Markdownff935b7972ec4909192390c2c68665917ad81b0b49b13c802ca8560350705a63
PDF
Publication page767797b44c2f0cff0e2b6f8bc9acf94cc850c7ab40ae8f2e35001498e3d20cad
Manifestbfeb2e904c0a7a5dfb474fdb34cbab7635c64ad3d0b84642f41046eceec93098

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
SignatureNaa5Z1ZKBz8561zwD3W3tiLsjd52gXJ+64BjQHa6HTaDD34AUHP8dhQ7UyC0fNJH6F10Xn+2gzEk1HrXKPb4Bw==
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

2026-09-17T12:02:34.321401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017438
observed 767797b44c2f0cff0e2b6f8bc9acf94c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.304611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017438/manifest.json
observed bfeb2e904c0a7a5dfb474fdb34cbab76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.288122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017438/publication.md
observed ff935b7972ec4909192390c2c6866591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.271148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017438/publication.txt
observed f1472c390b8849ef91fb32da1e795320...
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.