OpenTechnical

OT-2026-000044907

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000044907) never changes.

Identity and time

Publication numberOT-2026-000044907 · never reused
Internal UUID01a0ae7c-911c-7738-b4e0-aac20a13b1cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044907
StatusPUBLIC

Content hashes

Canonical text821cefa3ac525b59f678e784deea61d44e5b12d8477bf4804d022cae4c6bc1e5
Markdown41f2138a5aa149b546346e54d63fd5fa355e4cc3a8d3dbdfcf4a15679628e8f7
PDF
Publication page479d823da9755bf7aa5eaf71a7bddf1a0ec415712801628152cc72d422d7fa06
Manifestbf1a3174955706be6c18f7442da25dac415c1f7630b5ec31de350aca3de99525

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
SignatureZXqso57A4m/uWM/CkEhEba9uUNcd7hmtsK9cTGNVdH097IVDS3NwKMAb3rp7GeRAo8KgIFOj/TeiSu+cfg6zAg==
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

2026-09-17T11:11:34.516227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044907
observed 479d823da9755bf7aa5eaf71a7bddf1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:34.497626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044907/manifest.json
observed bf1a3174955706be6c18f7442da25dac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:34.476219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044907/publication.md
observed 41f2138a5aa149b546346e54d63fd5fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:34.454644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044907/publication.txt
observed 821cefa3ac525b59f678e784deea61d4...
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.