OpenTechnical

OT-2026-000033641

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000033641) never changes.

Identity and time

Publication numberOT-2026-000033641 · never reused
Internal UUID01a0ae75-a38f-71c4-b234-4de0a44d57e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033641
StatusPUBLIC

Content hashes

Canonical text7514b8f94f3e28da99981da7da97096e11fa7722bbedc21d4f4089f125fa0a9b
Markdown0d2334045af78633776836c0113e4ba6860c20345ced40c9797015172ff7e468
PDF
Publication page205f1ad514cddcf6ac927baca429f148a8385aeb518a4a03b339e14a4e08a1df
Manifestc5123c64cfcdcbc34de1662c4d7484bfd372691ee684a91986f4645402954699

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
Signature2LpKQzbJIrVKL96rsFC+0koIDEU/UUCBQZE+MRK4iotEAd04umkbe7Qb8U0grTv4GC1bpVpudLZSxRG+kTDkAg==
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

2026-09-17T11:31:37.431939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033641
observed 205f1ad514cddcf6ac927baca429f148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.409393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033641/manifest.json
observed c5123c64cfcdcbc34de1662c4d7484bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.391324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033641/publication.md
observed 0d2334045af78633776836c0113e4ba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.373905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033641/publication.txt
observed 7514b8f94f3e28da99981da7da97096e...
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.