OpenTechnical

OT-2026-000084708

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000084708) never changes.

Identity and time

Publication numberOT-2026-000084708 · never reused
Internal UUID01a0ae98-e25d-7790-954f-67d28ebc21a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084708
StatusPUBLIC

Content hashes

Canonical textd845a616054ff0488e0352484133e9c3a806638c9d47e529c0c0b4e81b1bc759
Markdown788948630112049755d3043ba48da0861301d9e9cb65501ae3d89f7a82c11501
PDF
Publication page527a4d27eeaaec3c5bf2ee51cf281e0d5cd057c03863bf7060f3d853eb837756
Manifest16280935416bd3ebfc0a4f4c7d4fc75662b61c83f8981e6f4df0d379c6c9b0e3

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
Signaturei+xqxWYV5PnsK9UQqzlxXZ2rfHyt2pXARqHXNa+TXzTKFAvr07XQYxuCQtDHWOwWG7gqEBq0vsO6tjW3utE+BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:38.633958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084708
observed 527a4d27eeaaec3c5bf2ee51cf281e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:38.615899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084708/manifest.json
observed 16280935416bd3ebfc0a4f4c7d4fc756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:38.592274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084708/publication.md
observed 788948630112049755d3043ba48da086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:38.574353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084708/publication.txt
observed d845a616054ff0488e0352484133e9c3...
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.