OpenTechnical

OT-2026-000050198

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000050198) never changes.

Identity and time

Publication numberOT-2026-000050198 · never reused
Internal UUID01a0ae82-5c45-70ad-a165-fc6d739eb2e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050198
StatusPUBLIC

Content hashes

Canonical textd538cc64257e2b7856f423f5e571eacd8aa8056500c34297240e3edee568f7fc
Markdownf507353bb9831ca0d7cd4c723ea8fcf8fb96d7fab92fb17206c3fe9507da788e
PDF
Publication page97ce35d336be31a42dbd3106daccb8f7cf7968c1cf133c95cdfe0004beee5842
Manifestde4998398313c88e83b5be4c1f52adeced8e89e1aa6be7b961354e19e956d8f4

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
Signaturer4/v5JkW63TMO5iZ6qVllTRjok6d4sxQbediJmfcdAMHY7mr1Wad7cmG3kKPIy+ZSueDf3aDfcWhpV7Pkux7Ag==
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

2026-09-17T11:01:11.120750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050198
observed 97ce35d336be31a42dbd3106daccb8f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:11.102598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050198/manifest.json
observed de4998398313c88e83b5be4c1f52adec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:11.083542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050198/publication.md
observed f507353bb9831ca0d7cd4c723ea8fcf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:11.065229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050198/publication.txt
observed d538cc64257e2b7856f423f5e571eacd...
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.