OpenTechnical

OT-2026-000046648

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000046648) never changes.

Identity and time

Publication numberOT-2026-000046648 · never reused
Internal UUID01a0ae7e-57de-7843-a661-1bf69c9ef0e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046648
StatusPUBLIC

Content hashes

Canonical text5c6b8c40b388a5e73e22a73a9091da4b5d6a1b3968277c8f4b3585d8cb65faca
Markdown839ec2a2bb81dfe6e2bf968e23c15592bd3f5387a09619af6521ab19f6bb0b60
PDF
Publication page16f241ebc964488b9dd22569b96a6bacc23b1c58106cddfc8f8a0567d9a30b4f
Manifest8f359f5f560f7518b57d65b9359223d7924bbc8ee0ad49257b09e401f2728979

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
SignaturelZbx5wkPktzKazx8Ijp9iTX3meFWu/70JxvwO/3APj9m2mx2/hIVbGo2s6UoOnHPRsZND4OttVpT3JH6BEr0Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:08:44.397516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046648
observed 16f241ebc964488b9dd22569b96a6bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:44.378011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046648/manifest.json
observed 8f359f5f560f7518b57d65b9359223d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:44.360498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046648/publication.md
observed 839ec2a2bb81dfe6e2bf968e23c15592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:44.342794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046648/publication.txt
observed 5c6b8c40b388a5e73e22a73a9091da4b...
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.