OpenTechnical

OT-2026-000034840

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000034840) never changes.

Identity and time

Publication numberOT-2026-000034840 · never reused
Internal UUID01a0ae76-1ed3-7bbf-8041-55625f374fd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034840
StatusPUBLIC

Content hashes

Canonical text314c74c281608742e09f893e4041ad2060b2fc5d2e300539003f80948f7a11f9
Markdown57023ae624f9de4d8c7b375188c29f617389aee5684700eb26d839b0ffb442b0
PDF
Publication pagee51c9aa86c6c35f9bc20b17617f55a5e7533aa9a34c5748bb2afbd21c76a7d06
Manifest3a38bb94fabe3ae9d81b9b30463d632b6432587f257f5524d3fda17e659ff9e3

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
SignatureW5e81VSK11s2D25+4c1wlCSqMlYTTPbczF+BWTiqgjUzkClHw4rf0DAIvatyki74o3K8ZtgGhLC9kcgNAL3lBA==
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

2026-09-17T11:30:28.847756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034840
observed e51c9aa86c6c35f9bc20b17617f55a5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:28.814830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034840/manifest.json
observed 3a38bb94fabe3ae9d81b9b30463d632b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:28.798308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034840/publication.md
observed 57023ae624f9de4d8c7b375188c29f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:28.781913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034840/publication.txt
observed 314c74c281608742e09f893e4041ad20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:49.863675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034840
observed e51c9aa86c6c35f9bc20b17617f55a5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:49.844789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034840/manifest.json
observed 3a38bb94fabe3ae9d81b9b30463d632b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:49.825884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034840/publication.md
observed 57023ae624f9de4d8c7b375188c29f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:49.807137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034840/publication.txt
observed 314c74c281608742e09f893e4041ad20...
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.