OpenTechnical

OT-2026-000103800

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed blow-off after set-down

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-2026-000103800) never changes.

Identity and time

Publication numberOT-2026-000103800 · never reused
Internal UUID01a0aea4-e463-7e73-8db3-51021f6c3de7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103800
StatusPUBLIC

Content hashes

Canonical text734c4fee3d1a9f47be3f77e50250ea64d78396a0b9b1a5bc57afad735a97b34e
Markdownfbb806c32e8415f7b9f3d98b9c79aecfe2adc20fda1920a8a1ccf6c11a8dedf6
PDF
Publication pagee555b5e3599af1d8846243a10e5b83556caada17782fd8e589ff66a80f0ba884
Manifest3e74a91340158a9f34756b4d968f0763ec19fc862a63ef3b3bf65e3b319175bb

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
Signature2kD7kaZv0aZPz8bNDMEZDnpJdf9WWPRG4RnTteegplq/Rs8qJLSckHKq17QhTjiTp4WnXJxPQXsWKPgZPRC4Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:45.298377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103800
observed e555b5e3599af1d8846243a10e5b8355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.283086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103800/manifest.json
observed 3e74a91340158a9f34756b4d968f0763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.266632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103800/publication.md
observed fbb806c32e8415f7b9f3d98b9c79aecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.249316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103800/publication.txt
observed 734c4fee3d1a9f47be3f77e50250ea64...
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.