OpenTechnical

OT-2026-000043624

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000043624) never changes.

Identity and time

Publication numberOT-2026-000043624 · never reused
Internal UUID01a0ae7b-92d0-77ee-8b70-0596dc715e7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043624
StatusPUBLIC

Content hashes

Canonical text1cc6f597449e51be8d6f6b5363009e7f3e5d913f0dca445b8593e4f14ed0326b
Markdown88814c1271ca21875d75ec04e0f45c013bed829f7d598f9128b1b7c9184dcabe
PDF
Publication pageb90ebb3968b75c19cb507090f1d688b3f8ffad03386099b9f1709ee0998d3596
Manifestba4ce7574da8da487e1535715a7644ff48e3f86f7730911348ba2dbd63eeeff8

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
SignatureICqIMqIW4Xv9OIAD1FXwKXNfN0/mBanRyydIV9hl4xB06NIEaumTv0zdIqz99QbIdGxk8vMUj8bXNdgaDkLdAw==
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

2026-09-17T11:13:05.682999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043624
observed b90ebb3968b75c19cb507090f1d688b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:05.662690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043624/manifest.json
observed ba4ce7574da8da487e1535715a7644ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:05.642197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043624/publication.md
observed 88814c1271ca21875d75ec04e0f45c01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:05.622145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043624/publication.txt
observed 1cc6f597449e51be8d6f6b5363009e7f...
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.