OpenTechnical

OT-2026-000035994

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000035994) never changes.

Identity and time

Publication numberOT-2026-000035994 · never reused
Internal UUID01a0ae77-01cd-707d-9a82-93c533f8c0ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035994
StatusPUBLIC

Content hashes

Canonical texta23a82f769e1b7f267b5d8ce989fc42144ff0effdf6451f29f70f051a5b62451
Markdown810f65d25bbccc8adbd3dde923a6cb745e0fe04a0d5d9d9b0db7a6b7bb1bbe97
PDF
Publication pagee3cec6da616fba7e3712c343c8718c92c66a6ea71dcce7d7c21114e1f6dfac6a
Manifest9f4c82573169f1f889b8c7c6f468d411b77c0d4c463b3ffc4a3751412b23d557

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
SignatureD6HckiH8lwmbcox3g89q25VehKQ3DlgZY/utgGg1GTgdrvrgjjJPrTmXvY/5eEef3oJbUrYVHyOil1Wvrm8wBA==
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

2026-09-17T11:26:09.209271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035994
observed e3cec6da616fba7e3712c343c8718c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:09.192625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035994/manifest.json
observed 9f4c82573169f1f889b8c7c6f468d411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:09.174781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035994/publication.md
observed 810f65d25bbccc8adbd3dde923a6cb74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:09.157396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035994/publication.txt
observed a23a82f769e1b7f267b5d8ce989fc421...
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.