OpenTechnical

OT-2026-000054873

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold 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-2026-000054873) never changes.

Identity and time

Publication numberOT-2026-000054873 · never reused
Internal UUID01a0ae86-1285-7f4e-82f7-4317a12cb2e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054873
StatusPUBLIC

Content hashes

Canonical textd04681ed762d7c6d37fc214f76e5c561c9f68dce969e190120289b5b2c678263
Markdown3e46820e8fd49815242bfb4fbb0c8ee6489d6e79caf1fec7127a5cd5f614532e
PDF
Publication pageddbc0ca6486b9f3e4b5649cdab9acd4612b93011069b7f9048bc51c5b0ab95aa
Manifest6957bc54d0c79f6ac027b438c463bdee0c00caa85980132d15ffb7236f456824

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
SignatureBhqZAioqf1JIif+BXUkAZGmokdSamK09vtXq6S+aF/kWMih0WVKtHd1yi/ubqp/ru/kbNLz2qUlXE+J0tq+0Dw==
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

2026-09-17T10:54:05.763364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054873
observed ddbc0ca6486b9f3e4b5649cdab9acd46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:05.746061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054873/manifest.json
observed 6957bc54d0c79f6ac027b438c463bdee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:05.725929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054873/publication.md
observed 3e46820e8fd49815242bfb4fbb0c8ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:05.708756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054873/publication.txt
observed d04681ed762d7c6d37fc214f76e5c561...
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.