OpenTechnical

OT-2026-000021765

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000021765) never changes.

Identity and time

Publication numberOT-2026-000021765 · never reused
Internal UUID01a0ae6f-bb5a-7c9c-998c-ed4d70afc1b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021765
StatusPUBLIC

Content hashes

Canonical text7fd792f4129abeb74e77795882fa6d2d1bc7b238b5741d446c3f79afe4878ebf
Markdownd0a9ff6ec0348b0e72107847fbcf89e7c8f6b0859ffb075be098c8e33c562fdc
PDF
Publication page90f3fe04020a5672834c99cefc96cb8379fd8a344ecc5caa1ac9647c34b87a5f
Manifest96cca7bf882875775d22fa912cfb76badfde749033ca8fe3e1eb8c4f33cbc81d

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
SignatureZBOcM2WVO3WuG0aps95LI4zeMkgayvahE6LoUdcOHwPmr2ERJXOfpFSmXMf+yCb8DqtUbi6Nm+535pkPBuRKCA==
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

2026-09-17T11:54:18.571713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021765
observed 90f3fe04020a5672834c99cefc96cb83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:18.554551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021765/manifest.json
observed 96cca7bf882875775d22fa912cfb76ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:18.532436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021765/publication.md
observed d0a9ff6ec0348b0e72107847fbcf89e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:18.513337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021765/publication.txt
observed 7fd792f4129abeb74e77795882fa6d2d...
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.