OpenTechnical

OT-2026-000060358

Publication integrity record

Foam pad vacuum gripper, three stage ejector, vented after set-down, on a tool changer

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-2026-000060358) never changes.

Identity and time

Publication numberOT-2026-000060358 · never reused
Internal UUID01a0ae8a-5a75-7bb5-81a6-393eebd152d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060358
StatusPUBLIC

Content hashes

Canonical text4efc1c3e754c7544c7ff1368f8eab8df7b66f6cfa97dc03d3db50e6bdd652084
Markdown78c800482bcb0a2f1acaac80e2d80643c75986b68fe1fb26e604fd8a399fd70f
PDF
Publication page8d74b44072f6a9e5280cc05010a4bc3b9ff7d3871d6ab09e3ea3580c7a8f341c
Manifest7eb12d1cbaf01a87dfa5cef08cc10b342338546b4293dab2915251ee01f93bd9

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
SignatureDgIPK0bZHVezf+foX9ZFOVXCojGprjcsosyaO9QsVl/ubE3+9WbuUYQouh3b2gC63BuLeF54MR/yyjympB6dDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:06.248564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060358
observed 8d74b44072f6a9e5280cc05010a4bc3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:06.222103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060358/manifest.json
observed 7eb12d1cbaf01a87dfa5cef08cc10b34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:06.196094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060358/publication.md
observed 78c800482bcb0a2f1acaac80e2d80643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:06.168010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060358/publication.txt
observed 4efc1c3e754c7544c7ff1368f8eab8df...
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.