OpenTechnical

OT-2026-000047286

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000047286) never changes.

Identity and time

Publication numberOT-2026-000047286 · never reused
Internal UUID01a0ae7f-3e56-763d-92f3-f23e82b6b7fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047286
StatusPUBLIC

Content hashes

Canonical text760e588e6d2bc1a0819a2da37a262bc58a9efac9ba6d4f9c2d5b7fcc58707370
Markdown6fa466afcbcd516547d5ea70a41d8a47191ff112c5bb6e28a157ab7997e84ab4
PDF
Publication page4d23734e34cb654487ba7b56cf66fd5f4050f14194dd5cc410f6e962b6556749
Manifestf172adc000092ff72bb3c29368dc15207fd54f00cea7fd9afb52eda4355b7db9

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
SignatureN4G2B+fP8NQ14XSlACMCdgvGfWnl65xw4qyHnyn3JufIPxgwZuWocml0/J6/XBtiUBQPe4MpJ1682I0ZacqgCw==
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

2026-09-17T11:06:15.557944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047286
observed 4d23734e34cb654487ba7b56cf66fd5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:15.539392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047286/manifest.json
observed f172adc000092ff72bb3c29368dc1520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:15.519555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047286/publication.md
observed 6fa466afcbcd516547d5ea70a41d8a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:15.499699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047286/publication.txt
observed 760e588e6d2bc1a0819a2da37a262bc5...
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.