OpenTechnical

OT-2026-000007880

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off after set-down

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-2026-000007880) never changes.

Identity and time

Publication numberOT-2026-000007880 · never reused
Internal UUID01a0ae6a-908a-7a7c-b0d1-4b5ac4a32e34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007880
StatusPUBLIC

Content hashes

Canonical text67b77147dc9f87b973365d913a0b79a5a3bfa9e8c321bd5a0b6c727af537b18f
Markdown6ef215889bbcddf2d678594a4f8288e5ffd9d36a4fd143dff45532ebad3b972f
PDF
Publication page25df8278949cff8c0569f05d13c6cbc02969950e16d38e10829b79e8a6efe55e
Manifeste103a460354d10abb3aec2dd5ef2049b95bf9bfac07bba2ea8c2868230c41f90

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
SignatureENfjd+x0wkvYzOpoKgrmaB0OvxB6JwSbGMAd/t/+j738boeD4k9EySk06OEZgJpB7aun5zrKUt0+VwmG9cJYAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:20.295642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007880
observed 25df8278949cff8c0569f05d13c6cbc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.278173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007880/manifest.json
observed e103a460354d10abb3aec2dd5ef2049b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.260602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007880/publication.md
observed 6ef215889bbcddf2d678594a4f8288e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.242186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007880/publication.txt
observed 67b77147dc9f87b973365d913a0b79a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:58.855944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007880
observed 25df8278949cff8c0569f05d13c6cbc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:58.834058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007880/manifest.json
observed e103a460354d10abb3aec2dd5ef2049b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:58.814875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007880/publication.md
observed 6ef215889bbcddf2d678594a4f8288e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:58.789464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007880/publication.txt
observed 67b77147dc9f87b973365d913a0b79a5...
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.