OpenTechnical

OT-2026-000049171

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single 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-2026-000049171) never changes.

Identity and time

Publication numberOT-2026-000049171 · never reused
Internal UUID01a0ae81-134e-7eb2-8e90-97833b9073fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049171
StatusPUBLIC

Content hashes

Canonical textd25416a0b9934722f9a142078f3c1a8f7ebff8227b13ed715d9b7dc613db72c0
Markdown55f1bc3a1d4bfc16507b33b642b15ce8285229b1e3355aee0ddda8ae01ee7a00
PDF
Publication pageb366b0ebc31ec4c774169350c231208a368542dafb20910dc96ba4f67fc2b511
Manifest94a5faa8ed3cbbe8117794b91f99eb7e0169b95dab056f7578cc649fa8403ac3

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
SignatureK9c/hQDm3F17Lrx/4F+HjGnX8hFCTkvC6PIfX+RRKqnfM+czD8gKwpQhrFzZMq8apnoEwdMAT0Ah7asaYl1DDw==
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

2026-09-17T11:03:58.314398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049171
observed b366b0ebc31ec4c774169350c231208a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:58.297618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049171/manifest.json
observed 94a5faa8ed3cbbe8117794b91f99eb7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:58.277879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049171/publication.md
observed 55f1bc3a1d4bfc16507b33b642b15ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:58.259575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049171/publication.txt
observed d25416a0b9934722f9a142078f3c1a8f...
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.