OpenTechnical

OT-2026-000042998

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000042998) never changes.

Identity and time

Publication numberOT-2026-000042998 · never reused
Internal UUID01a0ae7b-3277-7cba-96bb-64f4987d3ed7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042998
StatusPUBLIC

Content hashes

Canonical text2095aad5f2691dc6f1b1aa8331f07a4ca0d6bb76f4e4ce66eaf8ddcde160d7c5
Markdown2f2674666060bb5e93706aeadc55841743c9a392039f155e458a16e83358bcfd
PDF
Publication page10d364a189701ce83fe84a99f6ae195fcc52c0d2c20ee85cf2db360d049fa158
Manifest51c844d7547d41efdda29048e14b72e0eb1822f0c1589231159f7aa46d70b8ca

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
SignatureScFm2o/zH1k4+Wv/tUlrWiQxNTYeJAcZr8N3uM+tqbbNFkhseHI9nB71z5uIudBnkjNS3Ga0KhBEwLd79Av8BA==
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

2026-09-17T11:13:18.342564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042998
observed 10d364a189701ce83fe84a99f6ae195f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:18.323583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042998/manifest.json
observed 51c844d7547d41efdda29048e14b72e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:18.306023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042998/publication.md
observed 2f2674666060bb5e93706aeadc558417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:18.288368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042998/publication.txt
observed 2095aad5f2691dc6f1b1aa8331f07a4c...
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.