OpenTechnical

OT-2026-000033263

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000033263) never changes.

Identity and time

Publication numberOT-2026-000033263 · never reused
Internal UUID01a0ae75-4845-7934-b8bf-150d9cd342d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033263
StatusPUBLIC

Content hashes

Canonical text72efc9cf9aed4106a5a6c88f52680604961222e5a06c9991e68b76815f6c6103
Markdown926bc74e234779dbf46262b48298e4f6e1970465446a4e44771c89137383af41
PDF
Publication page6274311c104f198e3fc5646b0b1a7f0bcfc92a1134956a33738207e00b4232ff
Manifestb95673a0d2d5b69d80050b87c2fbd803f6f7d72b5d67ce6c8f3a2b29e04f09b5

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
SignatureRLTR/sdTpjQdf7L6/9Q7v1vAdfRF/DUh00K+ZHjj8DhcI0fBPGBq3z7lW3WTdnlqcvQZ8jmsEd8nUr5Bs8hXAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:58.702897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033263
observed 6274311c104f198e3fc5646b0b1a7f0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:58.680231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033263/manifest.json
observed b95673a0d2d5b69d80050b87c2fbd803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:58.664524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033263/publication.md
observed 926bc74e234779dbf46262b48298e4f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:58.647083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033263/publication.txt
observed 72efc9cf9aed4106a5a6c88f52680604...
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.