OpenTechnical

OT-2026-000078273

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000078273) never changes.

Identity and time

Publication numberOT-2026-000078273 · never reused
Internal UUID01a0ae95-7c27-7dac-8e29-2a97c6f2cd34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078273
StatusPUBLIC

Content hashes

Canonical text43ef6ab5b7c6dacc5d4652111547c70a5d7953433c56eb69b68b4e82d01751c0
Markdowna5590a3fa8d689b8929063ea4966c679b38d27eae146ea7f0cbc6b9b903896a4
PDF
Publication page81579e9fb47b12eabf6240ea4eb74b053aa9258b73d3fef4877372f78fae1780
Manifest235b522f0837d7827ecee87427960f173ce5c1c071daade96a793345e09dc006

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
Signaturerp5y1XZOIDZu2cIXXQFwnX4e9B6dZylgRyNxehYQBbjckir4AckkkExmzrUEAQy2sp/tyuDMSLHIy2pVJFoxBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:14.079336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078273
observed 81579e9fb47b12eabf6240ea4eb74b05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.055625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078273/manifest.json
observed 235b522f0837d7827ecee87427960f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.036215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078273/publication.md
observed a5590a3fa8d689b8929063ea4966c679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.016879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078273/publication.txt
observed 43ef6ab5b7c6dacc5d4652111547c70a...
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.