OpenTechnical

OT-2026-000086680

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, sustained 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-2026-000086680) never changes.

Identity and time

Publication numberOT-2026-000086680 · never reused
Internal UUID01a0ae9a-2c99-7823-a486-7a3d1d731a17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086680
StatusPUBLIC

Content hashes

Canonical texte7e5035951f982551146a719fea74f4da1f0900b5418e5f39777c66cc483a807
Markdown908e59c5563474db9ca32c7325927ece1ad89e390a1ac66431a5bb7b91d6b654
PDF
Publication page7e1d01073a6ffce07fb082679316108166e242e5ccbb9d8973e39b560bd5b892
Manifest061eee7c41dee595d3e733cabb64674a4cc57041a559ab6b73bc9688b6c6ba64

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
SignatureVqdp3TodcinpruGqRZzb3pEbJ1ej6OVhOKpCCMGTyh2UC9CvBqUXFQVpB0Jrzf39kGe5RfHRuJou6cDWHCDeCQ==
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

2026-09-17T09:52:32.773164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086680
observed 7e1d01073a6ffce07fb0826793161081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:32.756798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086680/manifest.json
observed 061eee7c41dee595d3e733cabb64674a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:32.739013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086680/publication.md
observed 908e59c5563474db9ca32c7325927ece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:32.722636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086680/publication.txt
observed e7e5035951f982551146a719fea74f4d...
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.