OpenTechnical

OT-2026-000055207

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000055207) never changes.

Identity and time

Publication numberOT-2026-000055207 · never reused
Internal UUID01a0ae86-a0fe-7216-a786-728cc2b4b98a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055207
StatusPUBLIC

Content hashes

Canonical text19ee239d17c63bb0ab7e411a6be38cdb3bb845caef5340bafc3b3bb82fa04952
Markdownf3987fd160c339ea578e64c9db8dd3daa2371ac89363a8cf2a2b7520e4e344e8
PDF
Publication page6926abe6510166af89f426e12a538309987500b11d16a07243994113df198545
Manifest5a0973112b4ac03de0718b0fdabe4947996149826a62f2842edee248cc1656b7

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
SignatureVcOwx/IOHDR2eMhz7nvjrqRlrJa74wzTqVytMkTzJbFM/+Io9Ubq8BD37aOnEjqD47CdGplyKC5liWPalvxaAg==
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

2026-09-17T10:51:46.983472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055207
observed 6926abe6510166af89f426e12a538309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.966239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055207/manifest.json
observed 5a0973112b4ac03de0718b0fdabe4947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.948672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055207/publication.md
observed f3987fd160c339ea578e64c9db8dd3da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.928566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055207/publication.txt
observed 19ee239d17c63bb0ab7e411a6be38cdb...
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.