OpenTechnical

OT-2026-000088048

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000088048) never changes.

Identity and time

Publication numberOT-2026-000088048 · never reused
Internal UUID01a0ae9b-1aa7-7110-8420-a11591a92293 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088048
StatusPUBLIC

Content hashes

Canonical text954163f6f4d559e6c608bf10f71f770a9a56acd16ce21da2e0615efabf35254c
Markdown5af8fc0530be925191faa0b5204a6a81aa687221ab099f2f98c1195307493b8e
PDF
Publication page295c7f78fc739aeafa2bda0db7dcba76d7bf7cac1d1878b71c547f2543c988d8
Manifest42219d8ad35638ab27ef3920da9a60995e156923cb21db00d57ad3ddd3660148

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
SignatureeB3tYMLSPq0B7S9mK9M69NV7VY/Bh52NZhPTm6PH+mNYlR2IW20vfE/yetdhklOfHuGG8m38EVhrMXtURZplCw==
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

2026-09-17T09:49:26.639579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088048
observed 295c7f78fc739aeafa2bda0db7dcba76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.621609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088048/manifest.json
observed 42219d8ad35638ab27ef3920da9a6099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.603299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088048/publication.md
observed 5af8fc0530be925191faa0b5204a6a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.582122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088048/publication.txt
observed 954163f6f4d559e6c608bf10f71f770a...
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.