OpenTechnical

OT-2026-000067661

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000067661) never changes.

Identity and time

Publication numberOT-2026-000067661 · never reused
Internal UUID01a0ae8f-6bdb-78bc-bfb1-2a8c8d751ae6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067661
StatusPUBLIC

Content hashes

Canonical text0f45b6b0f4b29e13651035c0f6c6aa1f1e0ecc08fba88d1d8921d27df6d5c642
Markdowne2efcabf93c69a48ec373d43505c40771c50e05490c970bd6811377094ad036f
PDF
Publication page95d15c4b4141a11928c31468a5ef686149e350b2754437fcf862209587d8fb7d
Manifest65f34db62161c0ea9dd39a4623bab572cf4b6034875f346c6d8e810d6689e75b

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
Signature85Vqzg6XAg8/11KgqByvfcLxYh2SLgpv2HZqJdqgOh6Vfw4bZ0c02uHv3R7tP4SbHIchdF8T3fxDCrrj1YbABQ==
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

2026-09-17T10:31:59.551144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067661
observed 95d15c4b4141a11928c31468a5ef6861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:59.531457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067661/manifest.json
observed 65f34db62161c0ea9dd39a4623bab572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:59.512576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067661/publication.md
observed e2efcabf93c69a48ec373d43505c4077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:59.494511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067661/publication.txt
observed 0f45b6b0f4b29e13651035c0f6c6aa1f...
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.