OpenTechnical

OT-2026-000006292

Publication integrity record

Vacuum cup gripper, four zone face, two stage ejector, pressure verified, contact triggered, polyurethane 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-2026-000006292) never changes.

Identity and time

Publication numberOT-2026-000006292 · never reused
Internal UUID01a0a955-cb4d-771e-b534-a64f24be811a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:29:27.249063Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006292
StatusPUBLIC

Content hashes

Canonical text9433ea7bf89d79f689d28588171df55ea3a9375b4f8a787f43eb4b1468b12d1b
Markdownd4ca55df0a65592d6a2e53386696756d6892344e5bba1cd7f11f20b305bd9e30
PDF
Publication page78b80ce071fbf10e04f05d4543cf830a27deb4dba376b62aa8817e06a689d805
Manifest009cfc170436105f801ff7afdf6ffe820050fe5daba8650c879aef56be8d1f0d

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
SignaturenO23yKLOJaDPylnoDzXeb8S97p7rdSKQdjxiFr+3OlqaPUs1elWmUYw9GOGBPifqW38Pcb4Oddyu4SutgWXvCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:43:28.243790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006292
observed 78b80ce071fbf10e04f05d4543cf830a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:43:27.902727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006292/manifest.json
observed 009cfc170436105f801ff7afdf6ffe82...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:43:27.378570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006292/publication.md
observed d4ca55df0a65592d6a2e53386696756d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:43:26.629529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006292/publication.txt
observed 9433ea7bf89d79f689d28588171df55e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:30:04.894774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006292
observed 78b80ce071fbf10e04f05d4543cf830a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:04.880053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006292/manifest.json
observed 009cfc170436105f801ff7afdf6ffe82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:04.741701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006292/publication.md
observed d4ca55df0a65592d6a2e53386696756d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:04.725454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006292/publication.txt
observed 9433ea7bf89d79f689d28588171df55e...
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.