OpenTechnical

OT-2026-000103822

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed blow-off after 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-2026-000103822) never changes.

Identity and time

Publication numberOT-2026-000103822 · never reused
Internal UUID01a0aea4-e463-716d-9aad-ca61ba8eeacd · 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-2026-000103822
StatusPUBLIC

Content hashes

Canonical text6ef4a64058fde88a9c06648740269057dbe9083ca2857fd5e20f3c48e2326a72
Markdown52c19f98337f3a19436e2c608e17caafa4d77aca01ed8829ef567dda29d063a2
PDF
Publication page6f6b98c483f51ece599f663e93bc4aebc84e125915ec740980c72a97146a8708
Manifestacbf3a47cb58459b5564f83d186ab92f2f2cc493786ef4d80ee21c86596259ab

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
SignaturevU7zqAnuycdNDph/oP58qaX9O509sT7xqLPVWyea7eeRd2gwskOJBpciC7+5E8Y/pLGVzEB6q3zFrZLelJBuCA==
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

2026-09-17T09:22:46.779754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103822
observed 6f6b98c483f51ece599f663e93bc4aeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.763077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103822/manifest.json
observed acbf3a47cb58459b5564f83d186ab92f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.746135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103822/publication.md
observed 52c19f98337f3a19436e2c608e17caaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.729954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103822/publication.txt
observed 6ef4a64058fde88a9c06648740269057...
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.