OpenTechnical

OT-2026-000057726

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented before set-down

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-2026-000057726) never changes.

Identity and time

Publication numberOT-2026-000057726 · never reused
Internal UUID01a0ae88-2695-730f-8c0c-234dbbb1bf19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057726
StatusPUBLIC

Content hashes

Canonical text380a230e30e309c80fd0ed89f516bf9568774f2ef33dbf87fa20d47d1a41b3c1
Markdownd5d0a255e6b0dce7730bdc74a4ea56f9b19fcdb0117f3f03aaefdcf2daf14d79
PDF
Publication pageef1113ce67c06c77eb867fad28788970d6bb9d4e6326476cbaf99fec10da59a5
Manifestebf304e97d26d809893daba62fc9d1f72b87cdc5179eaf344b193835e52b3d78

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
SignatureaIfSEhB9f+d9sPVzxMXgnUtdLUsH4F1jwG6m/eu1GcciYeUnxprDTz0c25XHijRH6PWEWBM9Ak5jD2TYmmeHAA==
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...

Independent retrieval

2026-09-17T10:48:23.911453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057726
observed ef1113ce67c06c77eb867fad28788970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.892216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057726/manifest.json
observed ebf304e97d26d809893daba62fc9d1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.870855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057726/publication.md
observed d5d0a255e6b0dce7730bdc74a4ea56f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.849565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057726/publication.txt
observed 380a230e30e309c80fd0ed89f516bf95...
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.