OpenTechnical

OT-2026-000079675

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, 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-2026-000079675) never changes.

Identity and time

Publication numberOT-2026-000079675 · never reused
Internal UUID01a0ae96-4375-7065-a172-515ffbc02b83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079675
StatusPUBLIC

Content hashes

Canonical text7c1e516bff429dfb28f4adec8605fa96c61fe9783fc11c90e06870e79b4a2ec4
Markdownae8a8e59a211251ccb71ee765f104605ef9b218c96e58e1de48a9cc45ffbcc67
PDF
Publication page294129ab84b921bb786a9899dcb2df6d68c9d21bbbb5ccf6a3cab27dcdc595f5
Manifest6bd846994b5b3eaf69f5b7c5cb6e2d4780f0f201e3eddb920284fc919925585c

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
SignaturergSbNzHqVmTV+BW71ufDUc6wUGpRbWqygRcQ88dOJ4KByrOzZlhOclYEifF9RzBAaDM+c3MzVcuNT9cJVLooBg==
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

2026-09-17T10:03:21.576997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079675
observed 294129ab84b921bb786a9899dcb2df6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:21.555471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079675/manifest.json
observed 6bd846994b5b3eaf69f5b7c5cb6e2d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:21.529217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079675/publication.md
observed ae8a8e59a211251ccb71ee765f104605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:21.503204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079675/publication.txt
observed 7c1e516bff429dfb28f4adec8605fa96...
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.