OpenTechnical

OT-2026-000061898

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000061898) never changes.

Identity and time

Publication numberOT-2026-000061898 · never reused
Internal UUID01a0ae8b-b8ad-7997-9236-68e0673295cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061898
StatusPUBLIC

Content hashes

Canonical textaa15ba9250469ddc58253dfe654012edc6d0c5993a9f62d3b8078db33402c7ed
Markdown04a6c537d451887e5ab23a34ef6877fe0a54fb4fe2909da161a5ae852aedc53b
PDF
Publication page1563e6a2770a0b1d6b11d81a18768f45e39b861a11f0bd820db4a53599ac9500
Manifest3cdc6ae5cee0a0b51a4c59c2f477d71390b91b13b128e670ea9920b96f470e15

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
SignatureBuqouKD33pi8Cn3/u0bhtfZ2Im39KNzeYSFd5WkR+QxssJqyyM0sPoVooGX2J0IODa4coUm+zlCiKxceTYjHBA==
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

2026-09-17T10:40:46.298487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061898
observed 1563e6a2770a0b1d6b11d81a18768f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.277782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061898/manifest.json
observed 3cdc6ae5cee0a0b51a4c59c2f477d713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.259512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061898/publication.md
observed 04a6c537d451887e5ab23a34ef6877fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.240703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061898/publication.txt
observed aa15ba9250469ddc58253dfe654012ed...
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.