OpenTechnical

OT-2026-000027183

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pulsed blow-off before set-down

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-2026-000027183) never changes.

Identity and time

Publication numberOT-2026-000027183 · never reused
Internal UUID01a0ae72-3454-76de-93e9-f23c6e078e8c · 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-2026-000027183
StatusPUBLIC

Content hashes

Canonical text5d732d96b937a7013d8c5468c35e73e3ba921d43d6aeda56bff740169ceeb6fa
Markdownc475a5143e880af1fbdec088d322d37d9342524e0f8803e46f286d47bc37365d
PDF
Publication page297e56ecb0791926520329e2147b13400793bae15557c2ace004116536328f4d
Manifest893d0f5849c74173e2db1498c0a966b27ccd94b298166587a1387dfe43c2382e

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
SignaturetPoW3ofs65wxbjtLsnvMX7kXRHwIuYTdn6F5tw6ldzMHdYE7Rxqc1V26cFsYzqsyiuZPqKKRJKvIlN3KOzZ5AA==
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

2026-09-17T11:44:04.183940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027183
observed 297e56ecb0791926520329e2147b1340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.166421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027183/manifest.json
observed 893d0f5849c74173e2db1498c0a966b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.149073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027183/publication.md
observed c475a5143e880af1fbdec088d322d37d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.132213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027183/publication.txt
observed 5d732d96b937a7013d8c5468c35e73e3...
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.