OpenTechnical

OT-2026-000086977

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000086977) never changes.

Identity and time

Publication numberOT-2026-000086977 · never reused
Internal UUID01a0ae9a-80a5-7794-8125-277f0a01775f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086977
StatusPUBLIC

Content hashes

Canonical text673f969076f33ecef2d5512e7957b43a3bc87ee28ec94dd01c52f1765d9d3518
Markdown295fa3439b381e0c91f8746e4616677685edcde87cc3a853c3d3ed72d741dc70
PDF
Publication pagefb134643b4b967d6c8052d87a5820521d48bc37890a4c27ffda1bd7d78f2a232
Manifest5679ceba0e6c977e7639aba313a87d8085542dbfa666aba885d97303664a63f6

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
SignaturejiRdg5RSk+K0/NblcncjXmoQ0HICRQU4eXGpKUcxD1Xkwz1bOeeAbllQdyppiiPchXO8/+XIPODUn5naF17sBw==
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

2026-09-17T09:51:42.254083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086977
observed fb134643b4b967d6c8052d87a5820521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.232126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086977/manifest.json
observed 5679ceba0e6c977e7639aba313a87d80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.213614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086977/publication.md
observed 295fa3439b381e0c91f8746e46166776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.192271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086977/publication.txt
observed 673f969076f33ecef2d5512e7957b43a...
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.