OpenTechnical

OT-2026-000049738

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two 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-2026-000049738) never changes.

Identity and time

Publication numberOT-2026-000049738 · never reused
Internal UUID01a0ae81-8fef-7cf9-b6fa-f6270867e78c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049738
StatusPUBLIC

Content hashes

Canonical texta52dd332ffd70fdf22cdf77bd7fffd4688aeb2ce3febdf61251878ae5ac8989d
Markdownf98f0a9a21378b5aa3bbc1e8a349a32b2b53d48af6e38dcb0e0d18a6b4801068
PDF
Publication pageaec6f749fe2182e7551329141e5f75861ba7888fecdd1e4914ad9eab89afafa1
Manifest0ba6499cceccd554b7dfd0ea6506c4c73f3cf2b761cf34b8936e4423363de559

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
SignatureVSXMUajMwXsgZGjB8vE5eQ9O/98y69jmPK76r8M8hrm7xLS5hF8rSLCZvq1a6vmFQbONBvwWkVv2s9CjSpWoDw==
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

2026-09-17T11:02:45.816611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049738
observed aec6f749fe2182e7551329141e5f7586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:45.796510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049738/manifest.json
observed 0ba6499cceccd554b7dfd0ea6506c4c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:45.777764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049738/publication.md
observed f98f0a9a21378b5aa3bbc1e8a349a32b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:45.758876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049738/publication.txt
observed a52dd332ffd70fdf22cdf77bd7fffd46...
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.