OpenTechnical

OT-2026-000054290

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000054290) never changes.

Identity and time

Publication numberOT-2026-000054290 · never reused
Internal UUID01a0ae85-b3a9-7a7d-bf6c-a89b3f39954f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054290
StatusPUBLIC

Content hashes

Canonical text29e1aa81cf5ff3e84b7df68c66c936f823f2ad08a403574fe9024f51360c345d
Markdown0c58864cf185ef0fd41e7859969f88ccb0ea769258a088b031719f36da29eeea
PDF
Publication page051439c3256fafe09571f96e125394d918f00391ef883475881b03223f8f18f5
Manifest7da0e99d9b1907103198aa02759e641bf9da20a704b580da27e7e79433b7bd8f

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
SignatureaRvPhAQAioIYAgB0ONLjQiShCk105/qDD+/lu83Y1zvL44XWoAR8fTftjOSmT2iHTwiUGZxVbtT2wlu5pGGtAA==
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

2026-09-17T10:54:47.366384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054290
observed 051439c3256fafe09571f96e125394d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:47.348713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054290/manifest.json
observed 7da0e99d9b1907103198aa02759e641b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:47.331321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054290/publication.md
observed 0c58864cf185ef0fd41e7859969f88cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:47.316270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054290/publication.txt
observed 29e1aa81cf5ff3e84b7df68c66c936f8...
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.