OpenTechnical

OT-2026-000053035

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000053035) never changes.

Identity and time

Publication numberOT-2026-000053035 · never reused
Internal UUID01a0ae84-a430-7c3d-8239-fe2de78c3e82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053035
StatusPUBLIC

Content hashes

Canonical text48d3f4b3e25771f4ad3eadcc64ffc1c80fc531c06208cf9156fa3d513d8729c8
Markdown85b91fe2e06e7b99a93b875977b87e830f564f769d9d2ab93c082f58394b09ab
PDF
Publication page065577da147a1a139778d8b77a6398bbd83ec0a2782b6c11c29288f461231208
Manifest38e591bd4a251dcf1470d731e3a3061228ea3dfd148913e3dc37acb2d9f90f4c

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
SignatureKDF+GPw3IkdV+RLUkMpvDCwsnAGojlmYCF2c9o6Fzpbk6f7R+auhpGnMEBhSDbr9vZVpMTWDtACtTpieaFnrBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:44.452273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053035
observed 065577da147a1a139778d8b77a6398bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:44.434408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053035/manifest.json
observed 38e591bd4a251dcf1470d731e3a30612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:44.412770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053035/publication.md
observed 85b91fe2e06e7b99a93b875977b87e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:44.393977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053035/publication.txt
observed 48d3f4b3e25771f4ad3eadcc64ffc1c8...
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.