OpenTechnical

OT-2026-000026699

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, 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-2026-000026699) never changes.

Identity and time

Publication numberOT-2026-000026699 · never reused
Internal UUID01a0ae71-f4aa-756d-b31b-83d722636929 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026699
StatusPUBLIC

Content hashes

Canonical textd81e37a38aa5f69f26ecd656ee46dcda608913640bde2f83b158c576e34f94e1
Markdown108610ce0531b679f1d00d103637ddc8cedf00f1699d4bfb0a7ac41bbab3478a
PDF
Publication page6d25d17bd3babb4658d54c7b9b2db6ad345930e3b5084973998e94f1fd163e59
Manifest373c727a6e1ca3ac3cd9e8f0450df9593d5a65378f2cfa8847957347986e11f0

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
Signaturesz3QcCCuajfgIr4Kh4SLDFH7lGxMSn0cMXn4ZQBiCT4I+V4wkBZ7UplT5PWI3BJXKOnz2NDBPt7ImYq0BEttDw==
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

2026-09-17T11:45:47.493358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026699
observed 6d25d17bd3babb4658d54c7b9b2db6ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.472991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026699/manifest.json
observed 373c727a6e1ca3ac3cd9e8f0450df959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.455089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026699/publication.md
observed 108610ce0531b679f1d00d103637ddc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.432829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026699/publication.txt
observed d81e37a38aa5f69f26ecd656ee46dcda...
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.