OpenTechnical

OT-2026-000079504

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000079504) never changes.

Identity and time

Publication numberOT-2026-000079504 · never reused
Internal UUID01a0ae96-0b91-7048-984a-43207d35e0fb · 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-2026-000079504
StatusPUBLIC

Content hashes

Canonical text3105fbdf2c2b3810b43ede698bddc20b06ebcfbe3ff9f0b62937552f4220eb4e
Markdownda2cdd0b3fd55c3774824866470a278818fc6e557d416a07f0c4d1cfff7dcff3
PDF
Publication pagebf114d5caea231e4a74eecf94b08bff5f4ce766f5f0cb7a7a7aa72bbd40f76e1
Manifest0bb3db07e17fd7004b4320eb1a681aabb09e724480d9630c1e4f20b0c87538c9

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
SignaturerHRI9oaBi1G11Ox3lu4R+BE0XS0HAaaZNDHgTjc1z+KEGFlo0of0dl6WjC2//IyisLvbobenVh7QQXla2mc5Bw==
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

2026-09-17T10:05:07.722580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079504
observed bf114d5caea231e4a74eecf94b08bff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:07.702016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079504/manifest.json
observed 0bb3db07e17fd7004b4320eb1a681aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:07.678126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079504/publication.md
observed da2cdd0b3fd55c3774824866470a2788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:07.660679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079504/publication.txt
observed 3105fbdf2c2b3810b43ede698bddc20b...
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.