OpenTechnical

OT-2026-000084627

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000084627) never changes.

Identity and time

Publication numberOT-2026-000084627 · never reused
Internal UUID01a0ae98-e25b-7265-8dd8-295881fbe5a7 · 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-2026-000084627
StatusPUBLIC

Content hashes

Canonical text2b174fb467b146bdb4b84503968a4dfe5a2c7823c8b1a108bb662c25ed17fcd9
Markdownb5cb0c123ed79f654f09a7cf5a718c6795dcc63427910dbaceffd1dfb42822d9
PDF
Publication paged814801ee848df3330bda5c18831460805fe5ae6629faf4b983a4b386643df6a
Manifest52badcf7ab77597cc1f2212aad2777540d9c4e73f64bf5cd45600c3ca0e42e1f

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
Signature6X4k/D94Yxumh+R2XkaD2baQWVCy44U63JRCsMxzzOWtB5KCu0vEfPya+hSuz6Qej4hvqE39InSUm8ocIpd5CQ==
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

2026-09-17T09:55:32.495485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084627
observed d814801ee848df3330bda5c188314608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:32.477192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084627/manifest.json
observed 52badcf7ab77597cc1f2212aad277754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:32.458374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084627/publication.md
observed b5cb0c123ed79f654f09a7cf5a718c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:32.440077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084627/publication.txt
observed 2b174fb467b146bdb4b84503968a4dfe...
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.