OpenTechnical

OT-2026-000026647

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, pulsed blow-off before set-down

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-2026-000026647) never changes.

Identity and time

Publication numberOT-2026-000026647 · never reused
Internal UUID01a0ae71-f4aa-7aa6-89c3-969d31e44776 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026647
StatusPUBLIC

Content hashes

Canonical text708d19c8f89304fd0a122184798c6d49669d47d5720b8c04c02993daeb346e00
Markdowne313cb31f494ec114e2fdbcaa8c90ad4f4136d4299b900a8a06499e112a19cba
PDF
Publication page8270222f21d02b3a2f5525b091e820f16ef07fcf1b87117e31c042fcf390211a
Manifestab9517a0e4177b17c92f15e14135ec23ad3421c9d27ed7879fa44b9b707e50ef

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
Signaturei+mSrPDQhiZG8MrJoTH4h/4kvLKOEqXJEAIkbcG3vYFGeSMLXTHR/yHm8xOylXxuSLYCYiGlr/+hYo/X34uZAg==
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

2026-09-17T11:45:43.655325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026647
observed 8270222f21d02b3a2f5525b091e820f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:43.637933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026647/manifest.json
observed ab9517a0e4177b17c92f15e14135ec23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:43.619486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026647/publication.md
observed e313cb31f494ec114e2fdbcaa8c90ad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:43.599717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026647/publication.txt
observed 708d19c8f89304fd0a122184798c6d49...
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.