OpenTechnical

OT-2026-000040013

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000040013) never changes.

Identity and time

Publication numberOT-2026-000040013 · never reused
Internal UUID01a0ae79-26fc-7890-93e1-135c1c5b09ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040013
StatusPUBLIC

Content hashes

Canonical text851132fd3b5ca60939523857f4449bd87867cc7f9dadce39560a00525c8a7ffe
Markdown4d9f7452df78309e9642982372b567c09d54639541b4f37957598b037573c78c
PDF
Publication page3eeec554450642023b8b1b294e3730dbaf6370d4978a4e5db3ccf73097407dc4
Manifestc95dc8b24392fe09ebc890aa0ab193b4738b397fabe8d34d6e78bae91171b871

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
Signature5RQptnqh8nL63KKnTCDSRBfqCVWP7dXEkt2zPq+CqIdkmI1Nj1cDq/Gfkq22S1a8UoZ6e4KJa7coe8PvYyjgAQ==
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

2026-09-17T11:20:32.468211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040013
observed 3eeec554450642023b8b1b294e3730db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:32.449853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040013/manifest.json
observed c95dc8b24392fe09ebc890aa0ab193b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:32.429293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040013/publication.md
observed 4d9f7452df78309e9642982372b567c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:32.409155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040013/publication.txt
observed 851132fd3b5ca60939523857f4449bd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:50.536671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040013
observed 3eeec554450642023b8b1b294e3730db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:50.519721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040013/manifest.json
observed c95dc8b24392fe09ebc890aa0ab193b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:50.502773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040013/publication.md
observed 4d9f7452df78309e9642982372b567c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:50.486924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040013/publication.txt
observed 851132fd3b5ca60939523857f4449bd8...
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.