OpenTechnical

OT-2026-000036643

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000036643) never changes.

Identity and time

Publication numberOT-2026-000036643 · never reused
Internal UUID01a0ae77-46e8-70ee-b7a4-44ebe42c2236 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036643
StatusPUBLIC

Content hashes

Canonical text42717622025aac1c3814dc25e51c3538608928c25ff23e570f8ce98063009a1d
Markdownce53ec75dcad5f25d3ba07ecc3db2733e9396a628f92563bd14559d2dea12ece
PDF
Publication page4ba2f562f024d5989f97090a3906333e3f0f05782c8a881885460d62d78cbebb
Manifest6a2443b3d6eafedd097c2ec47960ecc2091eaae3805a7a22c6be3c593769b948

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
SignaturegZ0Fgh1358tIDr4QEVZsU3UMftf5zrPqnTR1cPeRjytLLGZVjxrJ8WGln5haie3gf1JN8ASMYBqSoForEq2RCw==
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

2026-09-17T11:25:59.447496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036643
observed 4ba2f562f024d5989f97090a3906333e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:59.430655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036643/manifest.json
observed 6a2443b3d6eafedd097c2ec47960ecc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:59.412909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036643/publication.md
observed ce53ec75dcad5f25d3ba07ecc3db2733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:59.395860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036643/publication.txt
observed 42717622025aac1c3814dc25e51c3538...
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.