OpenTechnical

OT-2026-000022103

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000022103) never changes.

Identity and time

Publication numberOT-2026-000022103 · never reused
Internal UUID01a0ae6f-bb5c-794a-9076-f8b4be0363f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022103
StatusPUBLIC

Content hashes

Canonical text26323940b3b57c5083bb74809d43929141588988a422cd9f272e6be829dcc468
Markdownb903a1ee52803431c3cdd955a697cc26e0cd388844439ea09c24c4c0842ec6b3
PDF
Publication pagea9ac0087ff2e5a7200ce3d11099ef60489f5b7ece9215f3020e4ff5dbb02be31
Manifest2014fe4f21d65762d5a4e497da12d250403c4389497cbfa4d1f8a4512d7faa41

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
Signature53vh6K2xG2vk73qN8A7Eb0/XPVxlinolVLCP+WW7RseV6ZZjoUh2pLOohG8nW34GIOenDVjIEYY4BJuqJCrtDw==
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

2026-09-17T11:54:48.242109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022103
observed a9ac0087ff2e5a7200ce3d11099ef604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:48.221387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022103/manifest.json
observed 2014fe4f21d65762d5a4e497da12d250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:48.204128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022103/publication.md
observed b903a1ee52803431c3cdd955a697cc26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:48.187649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022103/publication.txt
observed 26323940b3b57c5083bb74809d439291...
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.