OpenTechnical

OT-2026-000035747

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000035747) never changes.

Identity and time

Publication numberOT-2026-000035747 · never reused
Internal UUID01a0ae76-b4c8-7ecf-88f1-dc8a25d68dd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035747
StatusPUBLIC

Content hashes

Canonical text8b2da30bf6bb25dbc1bca563c0a5b5e933f90ea6a97a6b7543fa47f1ffa5a8eb
Markdownc1533221880eddc2ea3552a56ae70014b14f4ca31a3bf68d02d80ada5d34654c
PDF
Publication paged9c24e835e4ba714f201062239b187c03c7474a8d6e41ed429e474924db0ac7a
Manifest8c41417c2e413429347b28fd24258acc1b692fe62806d6427d072a0ca7ba2d2c

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
Signaturet5uoSuqwhgQA+cvXPiaDPrq8lkjha2QEI//HNgVqDmiv0Erip+Ydizaa/JtxOwDBx7doZOtybf7o5MP5G00/AQ==
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

2026-09-17T11:27:26.333035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035747
observed d9c24e835e4ba714f201062239b187c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:26.314609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035747/manifest.json
observed 8c41417c2e413429347b28fd24258acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:26.297357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035747/publication.md
observed c1533221880eddc2ea3552a56ae70014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:26.277220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035747/publication.txt
observed 8b2da30bf6bb25dbc1bca563c0a5b5e9...
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.