OpenTechnical

OT-2026-000026916

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000026916) never changes.

Identity and time

Publication numberOT-2026-000026916 · never reused
Internal UUID01a0ae72-3452-7e98-82f0-779c668547dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026916
StatusPUBLIC

Content hashes

Canonical textd11d3e8184556a0f23f2f1ee82e9d04f54ec8b02c112f56484f23b32a2cef797
Markdownc25cc2744a15b6014b58ef4dfaeef75146d945b7ea7163abbeb45349dc91658c
PDF
Publication page730b66d5ba3ad526da3cf7d8d53affe1796df3395eb2d90912a8b5cbfe9b5b59
Manifest6f66ad02a36651916a5aab67e3fe5cbf00db911f324af20c5877eb70c06ddc30

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
SignatureJtcpRKa4cj18fWJ1aMyjtI23PV27bEwxmwMJ38OpmL7A8Qxmj6doghohHkdPmWV2hHfz+3L528MLeRj8FVJtAA==
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

2026-09-17T11:43:31.788412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026916
observed 730b66d5ba3ad526da3cf7d8d53affe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.772138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026916/manifest.json
observed 6f66ad02a36651916a5aab67e3fe5cbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.756287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026916/publication.md
observed c25cc2744a15b6014b58ef4dfaeef751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.740678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026916/publication.txt
observed d11d3e8184556a0f23f2f1ee82e9d04f...
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.