OpenTechnical

OT-2026-000023456

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000023456) never changes.

Identity and time

Publication numberOT-2026-000023456 · never reused
Internal UUID01a0ae70-7269-7aab-9c01-1dcc79c02333 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023456
StatusPUBLIC

Content hashes

Canonical textc05137c6a03f5ad177f8108cd232af84ceec501597cf0e180a293846d62e2593
Markdowncd75da87eb56fa20eee23622763f4cda15939d4caa04845acc8ca4e919658b73
PDF
Publication pageffe72d25cb9c306c5efc13c3759ac6095a20f894fc8e113211eb11df8ee44b41
Manifest78e898233b04472e5ae9de6cd6d9ec3c71c87d0bdb988b1c792cc3aa4d66124e

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
Signaturem5/sOM6uvz419zUaP2e1a08bJOjovMabGW9OxoFwbpLBnQOLuUBsu8vETaqWUGjXNIIozsIVYhjaHF71uWvKBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:51:40.505149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023456
observed ffe72d25cb9c306c5efc13c3759ac609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.488791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023456/manifest.json
observed 78e898233b04472e5ae9de6cd6d9ec3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.471147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023456/publication.md
observed cd75da87eb56fa20eee23622763f4cda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.454745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023456/publication.txt
observed c05137c6a03f5ad177f8108cd232af84...
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.