OpenTechnical

OT-2026-000079199

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000079199) never changes.

Identity and time

Publication numberOT-2026-000079199 · never reused
Internal UUID01a0ae96-0b8f-7238-bc99-9ada10790eb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079199
StatusPUBLIC

Content hashes

Canonical textb0a9330bbfb994fd70336f76a2b3407d2f38ec9f2094a8100f95f126d4bd3f6a
Markdown429d30cb07a2125ae805e94ffbf953b2a50c1ada8053cd3c0273d51f858e1674
PDF
Publication page449fa4f3e8020dc35f354afbe57ce4610c9b6eac4d99bd3b36a3a46a93481c7c
Manifest153f844a6c4e9a569cf8fd3f08ba99728b8dd6b9a9ff884811db6bea7a2cb6c5

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
Signature5hij/TXWVhtJQSrZSVuG+Oc0hcnQ6b5wC4DxXzdRcv1JcaNrDUeKjQiBoz93VBQ5CJmTzcwAfvra5DnT+ZTEDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:47.483655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079199
observed 449fa4f3e8020dc35f354afbe57ce461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:47.465008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079199/manifest.json
observed 153f844a6c4e9a569cf8fd3f08ba9972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:47.446061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079199/publication.md
observed 429d30cb07a2125ae805e94ffbf953b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:47.428503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079199/publication.txt
observed b0a9330bbfb994fd70336f76a2b3407d...
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.