OpenTechnical

OT-2026-000055904

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000055904) never changes.

Identity and time

Publication numberOT-2026-000055904 · never reused
Internal UUID01a0ae87-0a4a-71a2-9f21-ba7aafea3ec3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055904
StatusPUBLIC

Content hashes

Canonical text06e9ebb5a53d914bba5f55c1b73737a248e2daff9ddd4247fab14c26985ce1c0
Markdownf77bad04995ca867ace172d7279443a8f2c01eed226d5e667c2fdd9f420adce9
PDF
Publication pageb2963fbdbcfbef066fa5ca26490813db2efdcacce1c11a0d15f2575af1a0e139
Manifest95c20a5b46cb4df04818c4fb249f62385c9e06169336b8deda7eaeb67b3bf13a

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
SignaturebRFiyr3UwbIGKlpoUopGL/rGPdVd3OWFQARIp1PEk0v+4YHGyTE3fhvCHrmXxEwSzhVSAyiQJLHkQjKg9iSHDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:24.419491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055904
observed b2963fbdbcfbef066fa5ca26490813db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.401710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055904/manifest.json
observed 95c20a5b46cb4df04818c4fb249f6238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.382434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055904/publication.md
observed f77bad04995ca867ace172d7279443a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.365702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055904/publication.txt
observed 06e9ebb5a53d914bba5f55c1b73737a2...
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.