OpenTechnical

OT-2026-000033716

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000033716) never changes.

Identity and time

Publication numberOT-2026-000033716 · never reused
Internal UUID01a0ae75-a390-7b95-8987-447070ef6c76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033716
StatusPUBLIC

Content hashes

Canonical textbdcbef83815808ab5b8a38ebb4cd18dadb0c944fa704a3eaf2294c554e9c55b8
Markdown7f447a1492c3a4a0d65d9a5b034fa44991bcb0077daef8af83fc9a37c41e88f3
PDF
Publication pagee9828a7d62239a24fb5a9e6d95799de23083c68c23e18c6927bcfcea2615d848
Manifest4b8dbb1a1c37305778f7f7d02c2b3212f035d6cfdb6da002924d5a6b6f9e57d8

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
SignaturedP3Mc6RvgKr6G+b3J0U7oW2sq83bwmicwKXr8FrbIVjcndVyPOz0lmwFsyKRTuzc5XQiWH0uIn7+iTLvwxRiCQ==
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

2026-09-17T11:31:43.007127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033716
observed e9828a7d62239a24fb5a9e6d95799de2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.989741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033716/manifest.json
observed 4b8dbb1a1c37305778f7f7d02c2b3212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.970033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033716/publication.md
observed 7f447a1492c3a4a0d65d9a5b034fa449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.950676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033716/publication.txt
observed bdcbef83815808ab5b8a38ebb4cd18da...
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.