OpenTechnical

OT-2026-000062410

Publication integrity record

Foam pad vacuum gripper, single stage ejector, 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-2026-000062410) never changes.

Identity and time

Publication numberOT-2026-000062410 · never reused
Internal UUID01a0ae8c-0abf-7846-9d20-789365c89e16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062410
StatusPUBLIC

Content hashes

Canonical text07ed316684104c2366e4fe12834df55586818e6309d317568621dfca4030a28f
Markdowndebcde429e3b1957f13dee13f37b52f4d8f4175a8a35fcad3a24390bdffd727b
PDF
Publication page22ea2caac9dd3dc32de6d1d54ac334626c8e966d3487685a1f4242f8ea0412d8
Manifest63857cbd4f45433ed4b61983ceaaa66de6be6f3743ed91bea7d5c1ac8a3b4dc8

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
SignaturebS0bmal6dyAykATuCN1eTe8SfqQBcz0t1CBklwlf7QKB35WrnHwIbhCZTJGBarL4ss2ywfIV6xVrT4hX8IfBCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:44.430893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062410
observed 22ea2caac9dd3dc32de6d1d54ac33462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:44.412544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062410/manifest.json
observed 63857cbd4f45433ed4b61983ceaaa66d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:44.392621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062410/publication.md
observed debcde429e3b1957f13dee13f37b52f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:44.372763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062410/publication.txt
observed 07ed316684104c2366e4fe12834df555...
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.