OpenTechnical

OT-2026-000068384

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000068384) never changes.

Identity and time

Publication numberOT-2026-000068384 · never reused
Internal UUID01a0ae90-2480-70b0-a3eb-0ad2e8c7ebf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068384
StatusPUBLIC

Content hashes

Canonical textfb0f059337d2408c058cfcb8e7870ef61e335de8698b79b4d399fa440447e4e1
Markdowna2decbe3f2f1517109ad56317bd9668fed4751422cf20efb1fe5b3070f0c090a
PDF
Publication pagea583ea920e603629e592bf97e762e575a59f146ff665068ee55314e9c50b818f
Manifest47856d8b0988a2b795dd7935fc4a7e9e309de5709f1340856631b09f25204aa4

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
SignatureQA/2b+vqvrodZDkzc5biRHKXm+JVqvihdotw3DyILSVzoGgqzqEl/jT9SAsYOfqYmzsF/c967vW08KfIbzvnDQ==
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

2026-09-17T10:29:26.306165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068384
observed a583ea920e603629e592bf97e762e575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:26.289336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068384/manifest.json
observed 47856d8b0988a2b795dd7935fc4a7e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:26.273989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068384/publication.md
observed a2decbe3f2f1517109ad56317bd9668f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:26.257886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068384/publication.txt
observed fb0f059337d2408c058cfcb8e7870ef6...
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.