OpenTechnical

OT-2026-000056437

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000056437) never changes.

Identity and time

Publication numberOT-2026-000056437 · never reused
Internal UUID01a0ae87-4bd2-7581-b3fd-3a62259e785b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056437
StatusPUBLIC

Content hashes

Canonical text64d98d6889c57c58d585053de9339c420909017d21f9f9603c88b71d2f099e5e
Markdown281b80e08c1444782b7ecb24c8475f5758a6b2ac57718987218ea7d02816f7c0
PDF
Publication page4d831729e085584ab000b4d0f6309faa13f31bde3f2df5b0d957062943bdcdb3
Manifestb1b3ddcc8b998507b947b90afe2ec1d6040f0d1a31738d79212a9e97bca319bc

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
SignatureaFgDIB9Zg0CJ5YayI4MKJLthHH6mKhoInOZaaLLp8Pd6KvsB8i3aQF5bx5yryu5BSkH0OINj5wdlmctmo7PKAA==
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

2026-09-17T10:50:58.251745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056437
observed 4d831729e085584ab000b4d0f6309faa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.234818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056437/manifest.json
observed b1b3ddcc8b998507b947b90afe2ec1d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.218199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056437/publication.md
observed 281b80e08c1444782b7ecb24c8475f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.199991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056437/publication.txt
observed 64d98d6889c57c58d585053de9339c42...
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.