OpenTechnical

OT-2026-000086874

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum 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-2026-000086874) never changes.

Identity and time

Publication numberOT-2026-000086874 · never reused
Internal UUID01a0ae9a-80a4-768f-bc7b-553a24050ba3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086874
StatusPUBLIC

Content hashes

Canonical textb57247e08f87303da18e5ff0eb7fd6597d20271e3a58695ece3c0e8372fbe52e
Markdowncbea3a48a2b0dfd44c5a2b6717a33c8426d19e1b85d66d2466648c4d9fc85c60
PDF
Publication page5c90f63aacbe7aaa440333fb07edd34305256456eabd0779be01782e5bb8242a
Manifest8cd3c7c2d026228a4c9c2e25c497ff50e031bc16eec8416904a42fba33959826

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
SignaturePQ5Gzyw9CljMLoj+vyj3HPQDeV0WCcPyshwunjfVDclSsQZLHBJCvzM5429ozkhCw4ZFsF9419moykp0rBYzAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:41.855052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086874
observed 5c90f63aacbe7aaa440333fb07edd343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:41.836746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086874/manifest.json
observed 8cd3c7c2d026228a4c9c2e25c497ff50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:41.789290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086874/publication.md
observed cbea3a48a2b0dfd44c5a2b6717a33c84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:41.765665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086874/publication.txt
observed b57247e08f87303da18e5ff0eb7fd659...
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.