OpenTechnical

OT-2026-000017315

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000017315) never changes.

Identity and time

Publication numberOT-2026-000017315 · never reused
Internal UUID01a0ae6e-76c8-73fd-b5e8-e2c72d5b0287 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017315
StatusPUBLIC

Content hashes

Canonical text02a3767a0098daa7f6d5619f20b1384df43b0031ef8b459f5d0e8a94859a094d
Markdown39f16eeace031c1ea267d08ca10bde0f2f53db9eadb399fe8d6e217186482588
PDF
Publication page53e004a77626a8acaff46c3e0bd2e6e853b9e351d4e44c70c5b69c7703dfdd83
Manifest4a94e8e6b3f7f386e9e5d1155a7148ad678c1a3129acad73140e24391da0ce53

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
SignatureZaZWpXrW7KLyqOTvW+HGMYoB9XPT8iXQtYt0uASsGZTfwQ0pRg1fldP/6L+KlM57gWN3fG7ReEHmTQWedtleBQ==
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

2026-09-17T12:02:25.138653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017315
observed 53e004a77626a8acaff46c3e0bd2e6e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:25.120170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017315/manifest.json
observed 4a94e8e6b3f7f386e9e5d1155a7148ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:25.103591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017315/publication.md
observed 39f16eeace031c1ea267d08ca10bde0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:25.085467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017315/publication.txt
observed 02a3767a0098daa7f6d5619f20b1384d...
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.