OpenTechnical

OT-2026-000005537

Publication integrity record

Vacuum cup gripper, two zone face, three stage ejector, vented after set down, silicone cups

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-2026-000005537) never changes.

Identity and time

Publication numberOT-2026-000005537 · never reused
Internal UUID01a0a93c-6614-73ce-b8e5-60ab7658d60a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:01:42.938394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005537
StatusPUBLIC

Content hashes

Canonical text377fe12592546a5c1fbb93ac2440bf7aa9a3271f199fb904b5767943d5ccb3d5
Markdownba95154b1635331c09dbe8a618da19c6c4d372629ad209d9295fbdc87a2512d4
PDF
Publication page4134c3bc0154ff62f2e40b07c9bf0b4ee880a89265d0106afaf67e9f33d76bb5
Manifestbdd4982f2632fc2b79c00933039b6ff9816d79e2fa32345f468fbd22b12e653c

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
Signature597n9HQYo3RCGvQWdrc5rGP4BJaokm5qaSvHIZsqsvpwRH+aoA0PCDAs0l/EGBDgjreQSpQ9QAvKhF0r6hw4Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:29.204503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005537
observed 4134c3bc0154ff62f2e40b07c9bf0b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:29.192479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005537/manifest.json
observed bdd4982f2632fc2b79c00933039b6ff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:29.179220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005537/publication.md
observed ba95154b1635331c09dbe8a618da19c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:29.165923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005537/publication.txt
observed 377fe12592546a5c1fbb93ac2440bf7a...
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.