OpenTechnical

OT-2026-000095737

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000095737) never changes.

Identity and time

Publication numberOT-2026-000095737 · never reused
Internal UUID01a0ae9f-fac6-7483-a08b-de2307336ae0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095737
StatusPUBLIC

Content hashes

Canonical textf79ca7d5013ca13cac0768855e319b1ceda8ecfeb26472c1edfacad994a320e0
Markdowncc753e0618d524c3877e8c8d83c0fff974e3d5d26d1820442b899216e473a9d0
PDF
Publication page4579be8b6405e25eddd7c10b1ec83c5c18d9a78427006ef38acefd7e647f9f39
Manifest582c2010cffcde4e57ad38bde2ae7fa527c3d9a0931063726ca3fe273bc8130b

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
SignatureqQ7IW9atSXlKwkD21lZRNWs4kDP3mxvx5JUpHsLoCTwPRLiyqUormP0DDcoUWXuECX2VojO7Q6wlipEMfMfDCQ==
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

2026-09-17T09:35:18.069860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095737
observed 4579be8b6405e25eddd7c10b1ec83c5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:18.052674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095737/manifest.json
observed 582c2010cffcde4e57ad38bde2ae7fa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:18.033608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095737/publication.md
observed cc753e0618d524c3877e8c8d83c0fff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:18.013946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095737/publication.txt
observed f79ca7d5013ca13cac0768855e319b1c...
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.