OpenTechnical

OT-2026-000068315

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000068315) never changes.

Identity and time

Publication numberOT-2026-000068315 · never reused
Internal UUID01a0ae90-2480-7f4e-8537-9cab5b3b6f13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068315
StatusPUBLIC

Content hashes

Canonical text46c8a0f9a136d2ca90cc180c82b0fe1267aafa8ec57252dfb3b9de2349612109
Markdowne86933dbfb3d5fb8a41a0998c5bfd6b3130778e1b8e672f8829d89c90d3879b8
PDF
Publication page88f28329fabe732f74b65c8cc4750a21e25a984b9916322c84a0310b87501442
Manifest8e34b82d00894be233eb6e8a6a81b59001c8696b9fa3aa97bb1f1b2b071ac243

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
SignaturePHlGz7+VS5xXK+UCUEvxKEDa8HOtgZIhLHMQJEAoXHGOgOvp4aR7loB3X5SKxvxGxdwj2cQSLoIdRNhpfolyAg==
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

2026-09-17T10:29:21.166333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068315
observed 88f28329fabe732f74b65c8cc4750a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:21.149528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068315/manifest.json
observed 8e34b82d00894be233eb6e8a6a81b590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:21.131435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068315/publication.md
observed e86933dbfb3d5fb8a41a0998c5bfd6b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:21.112617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068315/publication.txt
observed 46c8a0f9a136d2ca90cc180c82b0fe12...
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.