OpenTechnical

OT-2026-000006129

Publication integrity record

Vacuum cup gripper, common isolation valve, three outlet manifold, two stage ejector, 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-2026-000006129) never changes.

Identity and time

Publication numberOT-2026-000006129 · never reused
Internal UUID01a0a950-5289-73e3-b715-b7e9d53c2c0c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:23:28.652536Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006129
StatusPUBLIC

Content hashes

Canonical text6c1f940cf6cd6642907676c4c2fadc2443b9c9525a6470dc8a663a14f39947f9
Markdown765bd131600a0857ac1447d0183fee809d00633e4029d8e74c1c0b132acb8583
PDF
Publication page9e2cb938e71dd8df914c18ed2b6e920001242056324fe7d684e745a12a8ee9d6
Manifestd73aba1774e963d437f722f6f136ee3ec07645c0052205a53476054412715cc0

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
Signaturesy4H5TSF506CcB2n6SrSf8pJZAXFpRFeGzx7hR3DEsrW2GBe16YHkJUmtooHvOsR+8JYH3m5+/sA2ph9WgNQAg==
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

2026-09-16T08:30:24.215625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006129
observed 9e2cb938e71dd8df914c18ed2b6e9200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:24.203128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006129/manifest.json
observed d73aba1774e963d437f722f6f136ee3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:24.189435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006129/publication.md
observed 765bd131600a0857ac1447d0183fee80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:24.174607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006129/publication.txt
observed 6c1f940cf6cd6642907676c4c2fadc24...
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.