OpenTechnical

OT-2026-000076085

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, pulsed 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-2026-000076085) never changes.

Identity and time

Publication numberOT-2026-000076085 · never reused
Internal UUID01a0ae94-6a6e-7773-b54d-68c71e8d5ebb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076085
StatusPUBLIC

Content hashes

Canonical text70db25509b444e596c0887a4606f75647ab21ed1ff1141ca4180a16f8806d064
Markdown558723b1218691b0d2d45cf7e3d1adb7a603baeaf9f26939083d6c292fa10010
PDF
Publication pagead573cb895446df68df2000ecb1ce5499c03241bd8149b0a90573bdadf72c713
Manifest89a0aa33738cd7d3430495e248bec842d14e201082ca002f6c61e69873b196bd

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
SignaturewItFRJWMXYRFuvgiRIVWFXw/fg3+gjhbCcxrx2Td8zE3DpolhRSDfRDz0jD5woZggKFUz+zjY3YpJPdQQz2gDw==
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

2026-09-17T10:10:54.721595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076085
observed ad573cb895446df68df2000ecb1ce549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:54.701176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076085/manifest.json
observed 89a0aa33738cd7d3430495e248bec842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:54.559221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076085/publication.md
observed 558723b1218691b0d2d45cf7e3d1adb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:54.540862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076085/publication.txt
observed 70db25509b444e596c0887a4606f7564...
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.