OpenTechnical

OT-2026-000024006

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three 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-2026-000024006) never changes.

Identity and time

Publication numberOT-2026-000024006 · never reused
Internal UUID01a0ae70-aed7-7e7c-8c9c-1a47571bf6b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024006
StatusPUBLIC

Content hashes

Canonical text90c1cb28ea8dc12d5309cc0a8a01450d5e35981b3ef3a12c2914c3d936351e46
Markdown2640f261b9b82e974a12aa8d10e3f10de48fd735d3579632514bee864d47d467
PDF
Publication page8004c46caf612f3391077ce8fca721868c56f6505cf8433a0bdfe6041dc0c5b8
Manifest6d4af9cdc8a7ad647e49080c1f03c6765e1dd35faa50ab1550c9b5bfae1b6169

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
Signature1w6grPfZnH+Wyjxy4lSEmlSo6uixN1U8U8qi1QR942TS/clHJeA1mYyDyKAvo7Ex+tL+0qArHl/0vD7PeiD6CA==
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

2026-09-17T11:50:46.995490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024006
observed 8004c46caf612f3391077ce8fca72186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:46.973556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024006/manifest.json
observed 6d4af9cdc8a7ad647e49080c1f03c676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:46.941366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024006/publication.md
observed 2640f261b9b82e974a12aa8d10e3f10d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:46.920708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024006/publication.txt
observed 90c1cb28ea8dc12d5309cc0a8a01450d...
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.