OpenTechnical

OT-2026-000048630

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line 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-2026-000048630) never changes.

Identity and time

Publication numberOT-2026-000048630 · never reused
Internal UUID01a0ae80-4de8-7a4c-98f3-f2cae6d6c246 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048630
StatusPUBLIC

Content hashes

Canonical text6729fe60b194e91c452348b028699072e3df0e038738a1e44be589259ffbb467
Markdown0679132577e79f185f638ee456d4f793140fba502ff9848357d9e8b3b60fde39
PDF
Publication page04a89694dff5e5a1930e87be32802948d688049ae7155e75506ceff0c6043dd8
Manifestf68a7335704ef042fa41aa0b74851f15c8fd5b067b14ba8af7aac12a65e71cc0

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
SignatureHhw7k4hdQjIRMuKsPAm0Ic2dyHC5vXuKp+tB8IhOFukMT6UcalNQf2rDoVtEjhd4vEj2PdkYF9RvJY1PQsk5Dg==
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

2026-09-17T11:05:27.169895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048630
observed 04a89694dff5e5a1930e87be32802948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:27.148643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048630/manifest.json
observed f68a7335704ef042fa41aa0b74851f15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:27.130077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048630/publication.md
observed 0679132577e79f185f638ee456d4f793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:27.109568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048630/publication.txt
observed 6729fe60b194e91c452348b028699072...
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.