OpenTechnical

OT-2026-000060390

Publication integrity record

Foam pad vacuum gripper, pump fed, 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-2026-000060390) never changes.

Identity and time

Publication numberOT-2026-000060390 · never reused
Internal UUID01a0ae8a-b7cb-70f3-8b32-8d5a8a3b0f51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060390
StatusPUBLIC

Content hashes

Canonical text0b87ebcd2ac56a7b899f5dd522de84c4cfe813d7d10c98d44a783e0cc2b6b906
Markdowna7b353a09d98d09028e1a5848906c8c7f483dffbc0578287c704ca0494345237
PDF
Publication page6c64a46faa94115a1e306c70182065371eb97b0922dc42a08e8beea6056f97d6
Manifeste424c6ba99324cc312bf5564129e5ba6c6a09ba1958686f8a9f2699aceab5dcf

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
Signaturegek7kkBbtbdCCZnIcCq3Ci15FFT1XqujLaVu81AndsGxTDeOZ1dPaflD7x90kbxX2SPQI7t8B3xA3XV944ydDQ==
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

2026-09-17T10:42:49.816323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060390
observed 6c64a46faa94115a1e306c7018206537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.796722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060390/manifest.json
observed e424c6ba99324cc312bf5564129e5ba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.777535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060390/publication.md
observed a7b353a09d98d09028e1a5848906c8c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.759660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060390/publication.txt
observed 0b87ebcd2ac56a7b899f5dd522de84c4...
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.