OpenTechnical

OT-2026-000103387

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000103387) never changes.

Identity and time

Publication numberOT-2026-000103387 · never reused
Internal UUID01a0aea4-e460-70b3-87ad-83edf43cab12 · 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-2026-000103387
StatusPUBLIC

Content hashes

Canonical textb98d9064e7f97aa4c775dde2ecbece1848eccbee754d1fa9eb84ab38c80690eb
Markdownd78651f0afd4cf29e5239036dd3c1dd97dc1023f5d80447b4afdcc991b3b4d8e
PDF
Publication pageba15a347a3bdb4b791f33a73f89b5473799ec8d37cea3c4ab237f3e4a0d7379c
Manifestbca433b79ad381590b708155e1418795b5bd0a4f3f2c284876acecde6c0f9d85

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
Signature9/zv6z8UPMoNmd5OtIMe7vhnE1G3UxtTimt94D1mSOv1jNs0fr8TohkxwH0TdlvJ8KW/ufmMXJoHHuEwKSW0CQ==
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

2026-09-17T09:22:07.692778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103387
observed ba15a347a3bdb4b791f33a73f89b5473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.676312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103387/manifest.json
observed bca433b79ad381590b708155e1418795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.659424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103387/publication.md
observed d78651f0afd4cf29e5239036dd3c1dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.642088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103387/publication.txt
observed b98d9064e7f97aa4c775dde2ecbece18...
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.