OpenTechnical

OT-2026-000074243

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000074243) never changes.

Identity and time

Publication numberOT-2026-000074243 · never reused
Internal UUID01a0ae93-7178-7539-9681-9b0fc2603aa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074243
StatusPUBLIC

Content hashes

Canonical text91dc14ae154cb754fb33bef82cf31ee97c3eb70dd800b894545440c12db9a6a5
Markdowne3333f4c9f13e9c4445e5d08fe29ca4f7c36ae3eda78905fd683c0069b74b063
PDF
Publication paged259cf6cc3ae11abf75764f65704912c4a31f71419054774131817aa6d2f3d49
Manifest2bb2138e8d4c08fe5ae133fd84c33532a10e7aa115e4490c436450440823f44b

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
SignatureFjXnKLHbGkm64xC0CKw5Af7f1nIg3yk4Jb20N5baUrATG84ZZBZMl0JAqANzSJZi8p3sKrGE2QHOqhWdj3BiDQ==
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

2026-09-17T10:19:07.051803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074243
observed d259cf6cc3ae11abf75764f65704912c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:07.032975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074243/manifest.json
observed 2bb2138e8d4c08fe5ae133fd84c33532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:07.012909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074243/publication.md
observed e3333f4c9f13e9c4445e5d08fe29ca4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:06.993210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074243/publication.txt
observed 91dc14ae154cb754fb33bef82cf31ee9...
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.