OpenTechnical

OT-2026-000088912

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000088912) never changes.

Identity and time

Publication numberOT-2026-000088912 · never reused
Internal UUID01a0ae9b-8f11-7ba2-a2dc-6495290c99f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088912
StatusPUBLIC

Content hashes

Canonical text09d79f3d6f98eba5ae3f8997242b710c23fd2f8c8e8740414db3e8a7b1cb926a
Markdown2a1c740190d631de779ba31c139d507d096535db701efd2c0297231cc84a6cc4
PDF
Publication page80b5240e984b8469cde9ce7bfa819d61ce3ddd0fb61d50834b849a7eed680e1b
Manifeste0d0d1027ca33464470a1295a1c5c763ef7ce09d9ebea6ec8f826381421cc91b

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
Signaturej3Vjx9+xzi/lJcvAyKXYzGUMK1XGzgPZ1I+a0dlU8Xmb2N34VbyxZRDAXyH0z60dMkiE5hofxtSq+yuYNGtUDA==
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

2026-09-17T09:48:19.075972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088912
observed 80b5240e984b8469cde9ce7bfa819d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:19.057124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088912/manifest.json
observed e0d0d1027ca33464470a1295a1c5c763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:19.036951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088912/publication.md
observed 2a1c740190d631de779ba31c139d507d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:19.018765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088912/publication.txt
observed 09d79f3d6f98eba5ae3f8997242b710c...
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.