OpenTechnical

OT-2026-000067953

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000067953) never changes.

Identity and time

Publication numberOT-2026-000067953 · never reused
Internal UUID01a0ae8f-c4fd-7c49-90be-acd9c5f53b36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067953
StatusPUBLIC

Content hashes

Canonical text35d8707617b10cc52643bbe97e16588f15183646bf09e3b15ed4a679181f73db
Markdown6553097bbf095dd6ab70e92261822dd27e3d79d24f29d29db1168f90ae199bc8
PDF
Publication page42da24cd15a77a05fa4e62a6ce1c3a7ecf036133c3986a618adee2f26da3cbfd
Manifest6faecc15229434005e78ca95508342fad0d6896998ff05cde90c2c7d51c7a941

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
SignatureiC6vhp2nSmyIcbDE3/6yaLrH4SllEUTRdmYnPmMV9JflwPQ+3KHe1ef4WzRx5DtmjKk+83M28HXGTMgOhooZBA==
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

2026-09-17T10:30:22.482101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067953
observed 42da24cd15a77a05fa4e62a6ce1c3a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.465337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067953/manifest.json
observed 6faecc15229434005e78ca95508342fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.444521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067953/publication.md
observed 6553097bbf095dd6ab70e92261822dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.423186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067953/publication.txt
observed 35d8707617b10cc52643bbe97e16588f...
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.