OpenTechnical

OT-2026-000061132

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000061132) never changes.

Identity and time

Publication numberOT-2026-000061132 · never reused
Internal UUID01a0ae8b-137e-7da8-9d11-6b271fae6307 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061132
StatusPUBLIC

Content hashes

Canonical text55336aa90bde11025aa207262f2b37a2bbe4090e11698176486e2691f2c93773
Markdownd4382827ab922a949c2c73b1db6e0ae07c13d3dcb843bebb48a3de55077109f7
PDF
Publication page3157f79bacf851e618cff3ce5565d18cf1cc5b1fca2112e0373cda7c4578a754
Manifest8eb10290b2eccf9d20b9a4e7b1ac168ff5a42c8838f617f89b5b20654a0843f1

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
SignaturePiTbbZ4d3j1z5OghZtQClJIoFxh8mwnbJ+2iKMBZw8Pt6EutYGR+tOuVTFVosKTnuyRQbbmU1tAJHivKmq0qDQ==
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...

Independent retrieval

2026-09-17T10:42:30.579408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061132
observed 3157f79bacf851e618cff3ce5565d18c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:30.561875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061132/manifest.json
observed 8eb10290b2eccf9d20b9a4e7b1ac168f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:30.542482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061132/publication.md
observed d4382827ab922a949c2c73b1db6e0ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:30.521836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061132/publication.txt
observed 55336aa90bde11025aa207262f2b37a2...
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.