OpenTechnical

OT-2026-000006098

Publication integrity record

Porous face vacuum gripper, pump fed, pressure verified, 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-2026-000006098) never changes.

Identity and time

Publication numberOT-2026-000006098 · never reused
Internal UUID01a0a94f-4329-7d48-8bd7-810bb65792a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:22:19.180051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006098
StatusPUBLIC

Content hashes

Canonical text559d5d466cba238a04ed129feb963ac7d7d89c6f19e4d4f2c39c13a1126dab35
Markdownc555411a5dff91052825fdf6f770a92a487e1c99dedaa245239ec0a7d7fd60d2
PDF
Publication page1661e505250febc720ba4e999aadebb8f220c6edf4fbcbb2c035cfe78780328b
Manifest3c06cbaa5f16e2176c0bb6582dfcf74ac78502643e6218b545bbadf5217b95ff

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
SignaturerA+bgM/OEUzM0F/Q3k2IM3AqTXAPfHPQCjw8QxlajmEpfe4lM9ExXg3yy0tEv9Mu78AZYlJbj4FEnozUzh1gDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:27.707836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006098
observed 1661e505250febc720ba4e999aadebb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:27.691927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006098/manifest.json
observed 3c06cbaa5f16e2176c0bb6582dfcf74a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:27.676053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006098/publication.md
observed c555411a5dff91052825fdf6f770a92a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:27.661299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006098/publication.txt
observed 559d5d466cba238a04ed129feb963ac7...
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.