OpenTechnical

OT-2026-000078332

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000078332) never changes.

Identity and time

Publication numberOT-2026-000078332 · never reused
Internal UUID01a0ae95-7c27-7b53-b7b5-581b733c442b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078332
StatusPUBLIC

Content hashes

Canonical textf5d7fe377944b08f17d1eb26f077f08dc53981e14214c2b389e68f7da35411b3
Markdown0e8b015c572e565f003ac94ac28010a3c501c3f9b4344e6f892af46fa857b22c
PDF
Publication pagead195b5071ef4625d2eef79b6fa54d0f6ff424b135f70871f17539838e5a2f07
Manifestb04b5584c30a8aa8f98cda0070ef8c85db0b187eb81b664a69664e0e9cbc0437

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
Signaturena3bXFwD2LlJWYvqTymoH6zvXHyFtY32Sm96mhHfMgiMF3m8fkSY0aaJPgTubTtrm1rEpA1BN7hPjmz7W/zcDw==
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

2026-09-17T10:06:17.975492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078332
observed ad195b5071ef4625d2eef79b6fa54d0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.956946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078332/manifest.json
observed b04b5584c30a8aa8f98cda0070ef8c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.938711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078332/publication.md
observed 0e8b015c572e565f003ac94ac28010a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.917308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078332/publication.txt
observed f5d7fe377944b08f17d1eb26f077f08d...
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.