OpenTechnical

OT-2026-000042623

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000042623) never changes.

Identity and time

Publication numberOT-2026-000042623 · never reused
Internal UUID01a0ae7a-c0ce-7a9c-8ab9-b2caabda125b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042623
StatusPUBLIC

Content hashes

Canonical textcd5f7626fc035a7ebee2fda9ee2e5ff16ab9086ed15f2c4c5cc7b858adde3319
Markdown22afbe7bb7d4678a8f380357e4739005cef63bf2dc82ef17835094349084cbe3
PDF
Publication page8c142a294e208af191f17800e4763e54d988dd624310876622060f97c457c442
Manifest4d2882fbe55c2972539e501e0586cdbec8617ce8bb0518313cb7ba9a98bc5968

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
Signatureuv+TWrg5xmOel4inVY0X6LxG15okvtPo+jXtXveI6yK40nXcoiG8KT4s7M93zB2kREdbW03bJ2U9ot3ifvnbBA==
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

2026-09-17T11:14:21.285855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042623
observed 8c142a294e208af191f17800e4763e54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.268929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042623/manifest.json
observed 4d2882fbe55c2972539e501e0586cdbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.250687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042623/publication.md
observed 22afbe7bb7d4678a8f380357e4739005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.232298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042623/publication.txt
observed cd5f7626fc035a7ebee2fda9ee2e5ff1...
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.