OpenTechnical

OT-2026-000070698

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000070698) never changes.

Identity and time

Publication numberOT-2026-000070698 · never reused
Internal UUID01a0ae91-8c2c-73a4-aedf-32e74bbeef64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070698
StatusPUBLIC

Content hashes

Canonical textd91b325c8c628984ea273610fdbafbdfa29d3f06968cb0fc27317dc5df8470d8
Markdown2596b2922047f669d090032bcb95c577641b5f47358b078461e494c850ed2dfa
PDF
Publication pageb1322157ffbc5870da1eff1a95912c450934e7401bdbcb222904508099d769ca
Manifest5714a28bfee7af3d8abdccccab292db6e6749c7416f2c571cbab1f672fe2d468

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
Signaturecfn0oC3MVT4CZimiJpKD16cbr9zvMbxhqEDhsQhmWcO7T7sQ0a08GBcbCKDDSlE/kEIL442ybpvdADHENsZxDw==
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

2026-09-17T10:25:22.932906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070698
observed b1322157ffbc5870da1eff1a95912c45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:22.914439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070698/manifest.json
observed 5714a28bfee7af3d8abdccccab292db6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:22.896960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070698/publication.md
observed 2596b2922047f669d090032bcb95c577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:22.880187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070698/publication.txt
observed d91b325c8c628984ea273610fdbafbdf...
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.