OpenTechnical

OT-2026-000006976

Publication integrity record

Porous face vacuum gripper, per zone isolation, two stage ejector, vented 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-2026-000006976) never changes.

Identity and time

Publication numberOT-2026-000006976 · never reused
Internal UUID01a0a96e-45a3-774f-9d0c-e8385bc74e58 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:56:11.431123Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006976
StatusPUBLIC

Content hashes

Canonical text9982799c217df706a8aa682a92e2f7046728f2fd2fa8ae8f2f9ada70113894cf
Markdown4d9cb35b7d6b9c85cdb6386f55a3c7ee1a9263be8c4da7e0791a1a9ba62bc476
PDF
Publication pagee7ee1e6ef3e2cb71876a18df6be6a065f698d174f362d8c93d686ab5ce2ca21c
Manifesteef92b9e968c63829d959793b4c4160c48c12414cf311d1f95778bb8ceae2179

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
Signature7FUrbyKK39d0U5XodAg4yM+jNBCZJcLRJsXokGeG4ag79mqu7kmHtZh2lgOT9FI+7kD7DqQ2cMpYg0GiBhYECw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:15.737844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006976
observed e7ee1e6ef3e2cb71876a18df6be6a065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:15.723881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006976/manifest.json
observed eef92b9e968c63829d959793b4c4160c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:15.709123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006976/publication.md
observed 4d9cb35b7d6b9c85cdb6386f55a3c7ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:15.695621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006976/publication.txt
observed 9982799c217df706a8aa682a92e2f704...
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.