OpenTechnical

OT-2026-000057748

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, sustained blow-off after 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-2026-000057748) never changes.

Identity and time

Publication numberOT-2026-000057748 · never reused
Internal UUID01a0ae88-6ed7-7c7c-9fb3-0e466a63ee4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057748
StatusPUBLIC

Content hashes

Canonical texta104e3b4bff92866b29d75fa277f62425583c3f416c657c4227ca7eebb988415
Markdown3a0c85e9c9236f43dd4c0bce5dbcd7ea544724864111c40f594cca7068b6f2a5
PDF
Publication pagec5da2eed577079941967536f42a7347fb4609775c48cc09c5bb35cd90781ae72
Manifest4acc150399c5ea110efbba7c2ed33784cc153ebd970b124ff07490e4629ff2b1

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
SignaturefMuImkD8EJ1rbZt1lZ8Qjm3ISR8+b7QHp/6bHKA8/8IMRHxMEs8Atg4Uicug6JCQN+1mdHQnh9juSZG+ANSFCw==
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

2026-09-17T10:47:17.383778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057748
observed c5da2eed577079941967536f42a7347f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:17.365732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057748/manifest.json
observed 4acc150399c5ea110efbba7c2ed33784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:17.309218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057748/publication.md
observed 3a0c85e9c9236f43dd4c0bce5dbcd7ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:17.136881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057748/publication.txt
observed a104e3b4bff92866b29d75fa277f6242...
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.