OpenTechnical

OT-2026-000081499

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000081499) never changes.

Identity and time

Publication numberOT-2026-000081499 · never reused
Internal UUID01a0ae97-0f70-766a-a2a4-ea56f3219dfa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081499
StatusPUBLIC

Content hashes

Canonical texte925f1307b54d23d61c2222d52e9b2b8bfa98ef63d7f1770fcd66dc7aa99efb4
Markdownb11ffb944f51af27432e38bb06a43ef3abfe700e8560924415eae44c7d32741f
PDF
Publication page4a46b57a7ec05d4b52da74ff5e0b23c439b55e37e6077e5334d4e41f17b78e2c
Manifest704840c4831a3e6f12ca69fde19b3136e35b3845f10eb10c1d7c49e55d57645c

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
SignaturewSzUavKvJxdWvILzXfpw3TQ/gib1Tkpv1v3rY6RAkch+yxiOlBnmwihvB5SMCIWNs3jEYHGAA6AbQczbmjucDA==
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

2026-09-17T09:59:30.712165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081499
observed 4a46b57a7ec05d4b52da74ff5e0b23c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.696270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081499/manifest.json
observed 704840c4831a3e6f12ca69fde19b3136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.679291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081499/publication.md
observed b11ffb944f51af27432e38bb06a43ef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.662465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081499/publication.txt
observed e925f1307b54d23d61c2222d52e9b2b8...
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.