OpenTechnical

OT-2026-000011789

Publication integrity record

Single bellows cup vacuum gripper, pump fed, 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-2026-000011789) never changes.

Identity and time

Publication numberOT-2026-000011789 · never reused
Internal UUID01a0ae6d-1941-7ccd-b9ff-c0bf22fbf984 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011789
StatusPUBLIC

Content hashes

Canonical textfa66632782a5b074a18e1072e819d43b0a697bc4eff3931a106f814d11d8f91b
Markdown923dacd12372020a5b438e2ea416db32a7b5d817cbdf4b192995ea311c859a81
PDF
Publication pageae26e03a091b3648fd606fa9ae84a0b1367cac9fe94b636df02c1c969657d8b8
Manifest97f4ac903cf732373db728fd388b041a43df19dd3514da9a12ea0d4513b9700d

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
SignatureqnwfckpEjoX0PG4FEmXu5Gc+/TkZDK7eehfAfnpqCyRV4/a9vRE9/pllOtcvVU62Zd03qGGnhfGTCD+w4zAWDw==
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

2026-09-17T12:12:30.661599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011789
observed ae26e03a091b3648fd606fa9ae84a0b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:30.639950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011789/manifest.json
observed 97f4ac903cf732373db728fd388b041a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:30.620989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011789/publication.md
observed 923dacd12372020a5b438e2ea416db32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:30.600161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011789/publication.txt
observed fa66632782a5b074a18e1072e819d43b...
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.