OpenTechnical

OT-2026-000027911

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000027911) never changes.

Identity and time

Publication numberOT-2026-000027911 · never reused
Internal UUID01a0ae72-a4a5-7bcc-83b8-303f5e353ff5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027911
StatusPUBLIC

Content hashes

Canonical textd51f8089d56604eb12b9ab4f214d447c43005d049f8e639b608d5658da18e834
Markdownf179e89faa48bf7bb164134ed5e811447cf8ad7fb5be2239f60f2e462ee82470
PDF
Publication page246bc05cb8a73e4b67e924f7ce112cb0d7e24161597d265a45bf30733af9eb82
Manifestf9bd50edc507d72a6eff091a2ed83b33ca2f3cf3f14e017c03407dcaaa923140

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
SignaturepvyZ81eiP8gWbCUe2L4dMdpB2IYtjUjOjusyzLaC7g4SEUMBn33efbw2D1GjLQfYRE6tnkugBDcW/KdKwMAyDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:04.997153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027911
observed 246bc05cb8a73e4b67e924f7ce112cb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:04.981551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027911/manifest.json
observed f9bd50edc507d72a6eff091a2ed83b33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:04.963092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027911/publication.md
observed f179e89faa48bf7bb164134ed5e81144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:04.943005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027911/publication.txt
observed d51f8089d56604eb12b9ab4f214d447c...
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.