OpenTechnical

OT-2026-000054279

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000054279) never changes.

Identity and time

Publication numberOT-2026-000054279 · never reused
Internal UUID01a0ae85-b3a9-7e54-b10c-0856101368b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054279
StatusPUBLIC

Content hashes

Canonical textf7ae0f278c3314329c95af34469183fa681d44baf6a5bf3ff38b39d34b5a77a6
Markdown724fa369f53b5368029f7b240922f6ce1886ea286ab00aec2bc46af0761c2563
PDF
Publication page0bdce794ed9a89ec2baa39cdb79ed7e8922db551baf1ddc8596399703a756e5a
Manifest0b739562cbd28d929cc5bb9c27ea50919fe98e05f3e873b7b610709635c9426e

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
SignatureIpAg2qA4hvb8/TGPt/f6bZZTe0Zum7RtWz3Evq6ZhCEVwLgeK2W/zisvpmXqzBgnnmLW/R4Xb3g0IBJFt/XtAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:46.464147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054279
observed 0bdce794ed9a89ec2baa39cdb79ed7e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:46.447201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054279/manifest.json
observed 0b739562cbd28d929cc5bb9c27ea5091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:46.427198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054279/publication.md
observed 724fa369f53b5368029f7b240922f6ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:46.407176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054279/publication.txt
observed f7ae0f278c3314329c95af34469183fa...
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.