OpenTechnical

OT-2026-000052634

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000052634) never changes.

Identity and time

Publication numberOT-2026-000052634 · never reused
Internal UUID01a0ae84-573b-7b3f-b686-a12958a08c74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052634
StatusPUBLIC

Content hashes

Canonical text7449ee585ea6f4e1da76ddfdda02ef58cd4a82f33a0dba1cea7217bafc90a2c7
Markdowna78fb836df296872f52723b101d2b6f22a5fb8d77487838b1e3e147917de2315
PDF
Publication page31c4fcc896e2117b34eceed0cdd61f6bddf74766b0d782bc36b7466dc6c02bc2
Manifest94eae0b786d0e3d2fc970d8701846818287eb5696fb73d97d0d39874c042d50f

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
SignaturefMEsrKSgLOo84YsPxHOxDRfXGeG/O3a456ghV4SPrJHKzDm1sOMQHhcxAXqb/n/nKbDego+oGtSwMj2wGJXWCw==
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

2026-09-17T10:57:18.612590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052634
observed 31c4fcc896e2117b34eceed0cdd61f6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:18.594399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052634/manifest.json
observed 94eae0b786d0e3d2fc970d8701846818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:18.574860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052634/publication.md
observed a78fb836df296872f52723b101d2b6f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:18.557442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052634/publication.txt
observed 7449ee585ea6f4e1da76ddfdda02ef58...
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.