OpenTechnical

OT-2026-000055153

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000055153) never changes.

Identity and time

Publication numberOT-2026-000055153 · never reused
Internal UUID01a0ae86-5e82-787d-bf49-3808809979ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055153
StatusPUBLIC

Content hashes

Canonical text5bddc680ac88067c6e7cf98609826033ce4de3a6e221de55bdd6f32ddb544a93
Markdown44248b9426c5e19b4309e0f657f29eb57051d1a52cac80d87f888f4d05c179c8
PDF
Publication page63edfa636ba2705afd753ac64c82e6c7e016040e457a79439c4f7e58974a083d
Manifest07596011daf95ed639c35c845dcec80cda04aab0da2082bf752fce202a135144

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
Signatureng/FIlHTEa6HpYkZNlcgXSxlJs1J00+suRNnT1BpGPtJPCFAG8uT2xiX6nDd0VLwP+CnOrrJ0KNA9EB29wfcCg==
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

2026-09-17T10:53:20.043769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055153
observed 63edfa636ba2705afd753ac64c82e6c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:20.024669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055153/manifest.json
observed 07596011daf95ed639c35c845dcec80c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:20.006395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055153/publication.md
observed 44248b9426c5e19b4309e0f657f29eb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.988013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055153/publication.txt
observed 5bddc680ac88067c6e7cf98609826033...
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.