OpenTechnical

OT-2026-000079308

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000079308) never changes.

Identity and time

Publication numberOT-2026-000079308 · never reused
Internal UUID01a0ae96-0b90-7f60-8059-7a4f411201a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079308
StatusPUBLIC

Content hashes

Canonical textb8469b68b0bef8ae2db107e2b2591fd6f23fee3485925f5a4cd5fc190baa14a7
Markdownc6906c83201afb4cb1b1ebb4f2c034833be29105cb42a104ae6a8ea5084388b6
PDF
Publication page6893d83df85d56732f03590e5d00593236a155269cdc30531917d6a512d19d4b
Manifest025231365549d17da8d0b3bb17d43928602e1707ead05bcbfbef8a532b0f369f

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
SignaturejwDKUNpelq7JnkfGBv8ybh9NFJehUr9tqYsP7GN22uVIBm+VUGOFq1tOmwia9Fq3a/75t/xIDiM5lA9lwr9bAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:55.170910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079308
observed 6893d83df85d56732f03590e5d005932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.152597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079308/manifest.json
observed 025231365549d17da8d0b3bb17d43928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.133631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079308/publication.md
observed c6906c83201afb4cb1b1ebb4f2c03483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.116361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079308/publication.txt
observed b8469b68b0bef8ae2db107e2b2591fd6...
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.