OpenTechnical

OT-2026-000064773

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000064773) never changes.

Identity and time

Publication numberOT-2026-000064773 · never reused
Internal UUID01a0ae8d-deba-7e72-81a4-359c9e6bbffc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064773
StatusPUBLIC

Content hashes

Canonical text05f973dfdfbc60bcf4e2aee08c05100ce7f969accb75c3ce3d8c639da9f6e4cd
Markdown9099c85ea4bf9dd3d4d9f52f7cfe5b49e2ca1ef0ab6a64663c49f2bc7edd0daf
PDF
Publication page2f43f86b3eddd90d040ff366b1976dd3923ccb1fb31df6622e0b1b0b563b67f0
Manifest260c32487be4c6803ba04a666176afb2db2130f9a5fe16dedc37a5582d1640c9

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
Signaturetn3YUc+CIVWKOE6cxVI4C0KiCQY6zOdpdBRPq1MuyTQeNPU6+YgKgrvoAvzk7FL9iTPHULhmcJE3XKrpOhKPCQ==
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

2026-09-17T10:35:39.680990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064773
observed 2f43f86b3eddd90d040ff366b1976dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:39.660685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064773/manifest.json
observed 260c32487be4c6803ba04a666176afb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:39.642643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064773/publication.md
observed 9099c85ea4bf9dd3d4d9f52f7cfe5b49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:39.626031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064773/publication.txt
observed 05f973dfdfbc60bcf4e2aee08c05100c...
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.