OpenTechnical

OT-2026-000055677

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000055677) never changes.

Identity and time

Publication numberOT-2026-000055677 · never reused
Internal UUID01a0ae86-a103-7bee-b6e3-4439fc5f9295 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055677
StatusPUBLIC

Content hashes

Canonical textce78ea1055bc01320038221678db18ef01370eaa721a261241789587e30c091e
Markdowndd12563be54083d1c92752c0a0019f03fe335fb61769ddf8d14601a846f4b16d
PDF
Publication pagef930bb80a609b0aee6646354412cd12101fcbea182255c6e3a0f6154d87b5152
Manifest64b7654eff57f887c2ae4caf3408ce111f23a3dc97e130e9fd8879be7dd941bf

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
SignatureaGI92SZI6WhRf517S1xs3If+RIqllHaT+SbZlKflCXBiyqHUq7le0yP9eIqyX2Ncks9AM5bXjTQm70CUV4BIBw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:56.494567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055677
observed f930bb80a609b0aee6646354412cd121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:56.476547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055677/manifest.json
observed 64b7654eff57f887c2ae4caf3408ce11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:56.459895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055677/publication.md
observed dd12563be54083d1c92752c0a0019f03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:56.442003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055677/publication.txt
observed ce78ea1055bc01320038221678db18ef...
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.