OpenTechnical

OT-2026-000083075

Publication integrity record

Foam pad vacuum gripper, two zone face, single 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-2026-000083075) never changes.

Identity and time

Publication numberOT-2026-000083075 · never reused
Internal UUID01a0ae97-c962-7475-9edd-9bccc8b48518 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083075
StatusPUBLIC

Content hashes

Canonical text73a60b3339d16efb466e022101f1677507f40954167bf307804fab8aa8dfc9d6
Markdownebbd1df80a8307fe18b16e1f7fa4afbc1d8a82576511c296b85a3951ebfd66cd
PDF
Publication page7ee451f42cae171b9f4ce3d54f997857de6fe65cdb49a5e38101b5f13b527807
Manifest313e082202f29b8fc9b28bbbeec4d4b111a7b3e43f5b02aa40532c20c9cf3c47

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
SignatureqhhDKXpO9Jerr8zy+xm3sVNqDIxY/9F11ybwsBOaxoBazkx9e6F/VOS+0dJ/vlh0TzypF/NvfjuR1VaGoKUTDg==
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

2026-09-17T09:00:32.850588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083075
observed 7ee451f42cae171b9f4ce3d54f997857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:32.832591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083075/manifest.json
observed 313e082202f29b8fc9b28bbbeec4d4b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:32.813432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083075/publication.md
observed ebbd1df80a8307fe18b16e1f7fa4afbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:32.672111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083075/publication.txt
observed 73a60b3339d16efb466e022101f16775...
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.