OpenTechnical

OT-2026-000026564

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, sustained 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-2026-000026564) never changes.

Identity and time

Publication numberOT-2026-000026564 · never reused
Internal UUID01a0ae71-f4a9-7d44-a988-b4268b833b18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026564
StatusPUBLIC

Content hashes

Canonical text68bf67b7b4d6ffd28083cbc50049dc1fa38222e7fbd89cb6f5094f36373f0c56
Markdown8ec23662fc08b7b04cd99e5bef457f37c335aff533f8324add0a1406a930753d
PDF
Publication page30da28886445603e876b152e1f164df22320e23f34d5a0253a4cc66d663f9b70
Manifest7df5afc08ab7113e267f84a3459531a27d3cfc323bd5104abaa4df18eb5488a4

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
Signature6y0pWbh3yBBRhI6Fd+SbTg483iQVyrVLwYgZOgZaXpnZZHjuVq5jKmDyJQELI1n8dDnNztsjEezne7Bn0SzrCQ==
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

2026-09-17T11:44:10.069853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026564
observed 30da28886445603e876b152e1f164df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:10.051834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026564/manifest.json
observed 7df5afc08ab7113e267f84a3459531a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:10.035478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026564/publication.md
observed 8ec23662fc08b7b04cd99e5bef457f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:10.016790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026564/publication.txt
observed 68bf67b7b4d6ffd28083cbc50049dc1f...
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.