OpenTechnical

OT-2026-000100889

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000100889) never changes.

Identity and time

Publication numberOT-2026-000100889 · never reused
Internal UUID01a0aea3-c376-7301-9ad5-1822e3ae9044 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100889
StatusPUBLIC

Content hashes

Canonical textfc638368346a2d1368bebaf19101c06c03e29591ffcdb67c98d10e044d50143e
Markdown44b928cd4759df970aa4b8af18e718b186257df2002e9ae8ce8ff24fd18e003c
PDF
Publication pagea055a30fe7c5a85fa7f7e6b8de282b10b1457c90c9a4be09f8554173b2d8eee9
Manifest41d701c9300a183ba1e921fc608ecb0009ebb975a6d1c9d5c65dcfb65c1b588f

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
SignaturerE58YEpBfObkDWpdYhIc6bP2dHFXYXrH3TRo+lT0iZbkecHcd9VMA+e8YEczIgE8TPE/i4d+o0G68BOVVUpHBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:22.833690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100889
observed a055a30fe7c5a85fa7f7e6b8de282b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.814332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100889/manifest.json
observed 41d701c9300a183ba1e921fc608ecb00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.794118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100889/publication.md
observed 44b928cd4759df970aa4b8af18e718b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.776633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100889/publication.txt
observed fc638368346a2d1368bebaf19101c06c...
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.